Home / 62,694.59-93,981.41-21,118.91

Finding the Fourth Proportional to 62,694.59, 93,981.41 and 21,118.91

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Solution

The fourth proportional to 62,694.59, 93,981.41 and 21,118.91 is: 31,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.59 : 93,981.41 = 21,118.91 : x
  2. Step 2: Convert to fraction form
    62,694.59/93,981.41 = 21,118.91/x
  3. Step 3: Cross multiply
    62,694.59x = 93,981.41 × 21,118.91
  4. Step 4: Simplify right side
    62,694.59x = 1,984,784,833.87
  5. Step 5: Solve for x
    x = 1,984,784,833.87/62,694.59
  6. Step 6: Final answer
    x = 31,657.99

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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.