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Finding the Fourth Proportional to 58,897.72, 88,327.86 and 19,447.48

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Solution

The fourth proportional to 58,897.72, 88,327.86 and 19,447.48 is: 29,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,897.72 : 88,327.86 = 19,447.48 : x
  2. Step 2: Convert to fraction form
    58,897.72/88,327.86 = 19,447.48/x
  3. Step 3: Cross multiply
    58,897.72x = 88,327.86 × 19,447.48
  4. Step 4: Simplify right side
    58,897.72x = 1,717,754,290.79
  5. Step 5: Solve for x
    x = 1,717,754,290.79/58,897.72
  6. Step 6: Final answer
    x = 29,165.04

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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.