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Finding the Fourth Proportional to 58,669.28, 80,957.61 and 36,009.22

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Solution

The fourth proportional to 58,669.28, 80,957.61 and 36,009.22 is: 49,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,669.28 : 80,957.61 = 36,009.22 : x
  2. Step 2: Convert to fraction form
    58,669.28/80,957.61 = 36,009.22/x
  3. Step 3: Cross multiply
    58,669.28x = 80,957.61 × 36,009.22
  4. Step 4: Simplify right side
    58,669.28x = 2,915,220,389.16
  5. Step 5: Solve for x
    x = 2,915,220,389.16/58,669.28
  6. Step 6: Final answer
    x = 49,689.04

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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.