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Finding the Fourth Proportional to 62,065.61, 92,980.97 and 36,689.15

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Solution

The fourth proportional to 62,065.61, 92,980.97 and 36,689.15 is: 54,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,065.61 : 92,980.97 = 36,689.15 : x
  2. Step 2: Convert to fraction form
    62,065.61/92,980.97 = 36,689.15/x
  3. Step 3: Cross multiply
    62,065.61x = 92,980.97 × 36,689.15
  4. Step 4: Simplify right side
    62,065.61x = 3,411,392,107.12
  5. Step 5: Solve for x
    x = 3,411,392,107.12/62,065.61
  6. Step 6: Final answer
    x = 54,964.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.