Home / 52,286.04-72,152.81-28,412.21

Finding the Fourth Proportional to 52,286.04, 72,152.81 and 28,412.21

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Solution

The fourth proportional to 52,286.04, 72,152.81 and 28,412.21 is: 39,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.04 : 72,152.81 = 28,412.21 : x
  2. Step 2: Convert to fraction form
    52,286.04/72,152.81 = 28,412.21/x
  3. Step 3: Cross multiply
    52,286.04x = 72,152.81 × 28,412.21
  4. Step 4: Simplify right side
    52,286.04x = 2,050,020,789.81
  5. Step 5: Solve for x
    x = 2,050,020,789.81/52,286.04
  6. Step 6: Final answer
    x = 39,207.80

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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.