Home / 63,140.76-94,726.80-18,767.43

Finding the Fourth Proportional to 63,140.76, 94,726.80 and 18,767.43

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Solution

The fourth proportional to 63,140.76, 94,726.80 and 18,767.43 is: 28,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.76 : 94,726.80 = 18,767.43 : x
  2. Step 2: Convert to fraction form
    63,140.76/94,726.80 = 18,767.43/x
  3. Step 3: Cross multiply
    63,140.76x = 94,726.80 × 18,767.43
  4. Step 4: Simplify right side
    63,140.76x = 1,777,778,588.12
  5. Step 5: Solve for x
    x = 1,777,778,588.12/63,140.76
  6. Step 6: Final answer
    x = 28,155.80

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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.