Home / 63,418.32-95,138.40-21,302.45

Finding the Fourth Proportional to 63,418.32, 95,138.40 and 21,302.45

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Solution

The fourth proportional to 63,418.32, 95,138.40 and 21,302.45 is: 31,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.32 : 95,138.40 = 21,302.45 : x
  2. Step 2: Convert to fraction form
    63,418.32/95,138.40 = 21,302.45/x
  3. Step 3: Cross multiply
    63,418.32x = 95,138.40 × 21,302.45
  4. Step 4: Simplify right side
    63,418.32x = 2,026,680,970.04
  5. Step 5: Solve for x
    x = 2,026,680,970.04/63,418.32
  6. Step 6: Final answer
    x = 31,957.34

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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.