Home / 63,115.40-94,656.84-18,731.60

Finding the Fourth Proportional to 63,115.40, 94,656.84 and 18,731.60

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Solution

The fourth proportional to 63,115.40, 94,656.84 and 18,731.60 is: 28,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.40 : 94,656.84 = 18,731.60 : x
  2. Step 2: Convert to fraction form
    63,115.40/94,656.84 = 18,731.60/x
  3. Step 3: Cross multiply
    63,115.40x = 94,656.84 × 18,731.60
  4. Step 4: Simplify right side
    63,115.40x = 1,773,074,064.14
  5. Step 5: Solve for x
    x = 1,773,074,064.14/63,115.40
  6. Step 6: Final answer
    x = 28,092.57

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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.