Home / 52,253.60-72,109.68-28,380.08

Finding the Fourth Proportional to 52,253.60, 72,109.68 and 28,380.08

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Solution

The fourth proportional to 52,253.60, 72,109.68 and 28,380.08 is: 39,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.60 : 72,109.68 = 28,380.08 : x
  2. Step 2: Convert to fraction form
    52,253.60/72,109.68 = 28,380.08/x
  3. Step 3: Cross multiply
    52,253.60x = 72,109.68 × 28,380.08
  4. Step 4: Simplify right side
    52,253.60x = 2,046,478,487.17
  5. Step 5: Solve for x
    x = 2,046,478,487.17/52,253.60
  6. Step 6: Final answer
    x = 39,164.35

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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.