Home / 52,486.71-72,432.42-28,613.79

Finding the Fourth Proportional to 52,486.71, 72,432.42 and 28,613.79

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Solution

The fourth proportional to 52,486.71, 72,432.42 and 28,613.79 is: 39,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.71 : 72,432.42 = 28,613.79 : x
  2. Step 2: Convert to fraction form
    52,486.71/72,432.42 = 28,613.79/x
  3. Step 3: Cross multiply
    52,486.71x = 72,432.42 × 28,613.79
  4. Step 4: Simplify right side
    52,486.71x = 2,072,566,055.07
  5. Step 5: Solve for x
    x = 2,072,566,055.07/52,486.71
  6. Step 6: Final answer
    x = 39,487.44

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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.