Home / 63,157.52-94,746-21,023.15

Finding the Fourth Proportional to 63,157.52, 94,746 and 21,023.15

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Solution

The fourth proportional to 63,157.52, 94,746 and 21,023.15 is: 31,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.52 : 94,746 = 21,023.15 : x
  2. Step 2: Convert to fraction form
    63,157.52/94,746 = 21,023.15/x
  3. Step 3: Cross multiply
    63,157.52x = 94,746 × 21,023.15
  4. Step 4: Simplify right side
    63,157.52x = 1,991,859,369.90
  5. Step 5: Solve for x
    x = 1,991,859,369.90/63,157.52
  6. Step 6: Final answer
    x = 31,537.96

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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.