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Finding the Fourth Proportional to 58,887, 81,265.34 and 32,391

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Solution

The fourth proportional to 58,887, 81,265.34 and 32,391 is: 44,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,887 : 81,265.34 = 32,391 : x
  2. Step 2: Convert to fraction form
    58,887/81,265.34 = 32,391/x
  3. Step 3: Cross multiply
    58,887x = 81,265.34 × 32,391
  4. Step 4: Simplify right side
    58,887x = 2,632,265,627.94
  5. Step 5: Solve for x
    x = 2,632,265,627.94/58,887
  6. Step 6: Final answer
    x = 44,700.28

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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.