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Finding the Fourth Proportional to 45,159.91, 67,763.00 and 21,494.23

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Solution

The fourth proportional to 45,159.91, 67,763.00 and 21,494.23 is: 32,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.91 : 67,763.00 = 21,494.23 : x
  2. Step 2: Convert to fraction form
    45,159.91/67,763.00 = 21,494.23/x
  3. Step 3: Cross multiply
    45,159.91x = 67,763.00 × 21,494.23
  4. Step 4: Simplify right side
    45,159.91x = 1,456,513,400.02
  5. Step 5: Solve for x
    x = 1,456,513,400.02/45,159.91
  6. Step 6: Final answer
    x = 32,252.35

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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.