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Finding the Fourth Proportional to 29,565.51, 44,355.65 and 8,789.01

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Solution

The fourth proportional to 29,565.51, 44,355.65 and 8,789.01 is: 13,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,565.51 : 44,355.65 = 8,789.01 : x
  2. Step 2: Convert to fraction form
    29,565.51/44,355.65 = 8,789.01/x
  3. Step 3: Cross multiply
    29,565.51x = 44,355.65 × 8,789.01
  4. Step 4: Simplify right side
    29,565.51x = 389,842,207.46
  5. Step 5: Solve for x
    x = 389,842,207.46/29,565.51
  6. Step 6: Final answer
    x = 13,185.71

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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.