Home / 42,566.40-63,888.94-21,521.24

Finding the Fourth Proportional to 42,566.40, 63,888.94 and 21,521.24

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Solution

The fourth proportional to 42,566.40, 63,888.94 and 21,521.24 is: 32,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.40 : 63,888.94 = 21,521.24 : x
  2. Step 2: Convert to fraction form
    42,566.40/63,888.94 = 21,521.24/x
  3. Step 3: Cross multiply
    42,566.40x = 63,888.94 × 21,521.24
  4. Step 4: Simplify right side
    42,566.40x = 1,374,969,211.09
  5. Step 5: Solve for x
    x = 1,374,969,211.09/42,566.40
  6. Step 6: Final answer
    x = 32,301.75

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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.