Home / 52,414.20-72,330.96-28,541.40

Finding the Fourth Proportional to 52,414.20, 72,330.96 and 28,541.40

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Solution

The fourth proportional to 52,414.20, 72,330.96 and 28,541.40 is: 39,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.20 : 72,330.96 = 28,541.40 : x
  2. Step 2: Convert to fraction form
    52,414.20/72,330.96 = 28,541.40/x
  3. Step 3: Cross multiply
    52,414.20x = 72,330.96 × 28,541.40
  4. Step 4: Simplify right side
    52,414.20x = 2,064,426,861.74
  5. Step 5: Solve for x
    x = 2,064,426,861.74/52,414.20
  6. Step 6: Final answer
    x = 39,386.79

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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.