Home / 52,457.04-72,390.70-28,583.70

Finding the Fourth Proportional to 52,457.04, 72,390.70 and 28,583.70

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Solution

The fourth proportional to 52,457.04, 72,390.70 and 28,583.70 is: 39,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457.04 : 72,390.70 = 28,583.70 : x
  2. Step 2: Convert to fraction form
    52,457.04/72,390.70 = 28,583.70/x
  3. Step 3: Cross multiply
    52,457.04x = 72,390.70 × 28,583.70
  4. Step 4: Simplify right side
    52,457.04x = 2,069,194,051.59
  5. Step 5: Solve for x
    x = 2,069,194,051.59/52,457.04
  6. Step 6: Final answer
    x = 39,445.50

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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.