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Finding the Fourth Proportional to 59,690.90, 89,505.54 and 17,565.51

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Solution

The fourth proportional to 59,690.90, 89,505.54 and 17,565.51 is: 26,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,690.90 : 89,505.54 = 17,565.51 : x
  2. Step 2: Convert to fraction form
    59,690.90/89,505.54 = 17,565.51/x
  3. Step 3: Cross multiply
    59,690.90x = 89,505.54 × 17,565.51
  4. Step 4: Simplify right side
    59,690.90x = 1,572,210,793.57
  5. Step 5: Solve for x
    x = 1,572,210,793.57/59,690.90
  6. Step 6: Final answer
    x = 26,339.20

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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.