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Finding the Fourth Proportional to 61,497.76, 92,246.70 and 17,124.61

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Solution

The fourth proportional to 61,497.76, 92,246.70 and 17,124.61 is: 25,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,497.76 : 92,246.70 = 17,124.61 : x
  2. Step 2: Convert to fraction form
    61,497.76/92,246.70 = 17,124.61/x
  3. Step 3: Cross multiply
    61,497.76x = 92,246.70 × 17,124.61
  4. Step 4: Simplify right side
    61,497.76x = 1,579,688,761.29
  5. Step 5: Solve for x
    x = 1,579,688,761.29/61,497.76
  6. Step 6: Final answer
    x = 25,686.93

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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.