Home / 52,285.04-72,151.43-28,411.21

Finding the Fourth Proportional to 52,285.04, 72,151.43 and 28,411.21

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Solution

The fourth proportional to 52,285.04, 72,151.43 and 28,411.21 is: 39,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.04 : 72,151.43 = 28,411.21 : x
  2. Step 2: Convert to fraction form
    52,285.04/72,151.43 = 28,411.21/x
  3. Step 3: Cross multiply
    52,285.04x = 72,151.43 × 28,411.21
  4. Step 4: Simplify right side
    52,285.04x = 2,049,909,429.53
  5. Step 5: Solve for x
    x = 2,049,909,429.53/52,285.04
  6. Step 6: Final answer
    x = 39,206.42

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Half scale
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Double scale
Find fourth proportional to 52,286.04, 72,152.81 and 28,412.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.