Home / 42,566.46-63,889.07-21,521.34

Finding the Fourth Proportional to 42,566.46, 63,889.07 and 21,521.34

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Solution

The fourth proportional to 42,566.46, 63,889.07 and 21,521.34 is: 32,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.46 : 63,889.07 = 21,521.34 : x
  2. Step 2: Convert to fraction form
    42,566.46/63,889.07 = 21,521.34/x
  3. Step 3: Cross multiply
    42,566.46x = 63,889.07 × 21,521.34
  4. Step 4: Simplify right side
    42,566.46x = 1,374,978,397.75
  5. Step 5: Solve for x
    x = 1,374,978,397.75/42,566.46
  6. Step 6: Final answer
    x = 32,301.92

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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.