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Finding the Fourth Proportional to 63,104.95, 94,658.22 and 20,985.01

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Solution

The fourth proportional to 63,104.95, 94,658.22 and 20,985.01 is: 31,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.95 : 94,658.22 = 20,985.01 : x
  2. Step 2: Convert to fraction form
    63,104.95/94,658.22 = 20,985.01/x
  3. Step 3: Cross multiply
    63,104.95x = 94,658.22 × 20,985.01
  4. Step 4: Simplify right side
    63,104.95x = 1,986,403,693.28
  5. Step 5: Solve for x
    x = 1,986,403,693.28/63,104.95
  6. Step 6: Final answer
    x = 31,477.78

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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.