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Finding the Fourth Proportional to 59,411.52, 81,967.74 and 33,899.56

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Solution

The fourth proportional to 59,411.52, 81,967.74 and 33,899.56 is: 46,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,411.52 : 81,967.74 = 33,899.56 : x
  2. Step 2: Convert to fraction form
    59,411.52/81,967.74 = 33,899.56/x
  3. Step 3: Cross multiply
    59,411.52x = 81,967.74 × 33,899.56
  4. Step 4: Simplify right side
    59,411.52x = 2,778,670,320.19
  5. Step 5: Solve for x
    x = 2,778,670,320.19/59,411.52
  6. Step 6: Final answer
    x = 46,769.89

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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.