Home / 42,336.08-63,379.55-28,261.20

Finding the Fourth Proportional to 42,336.08, 63,379.55 and 28,261.20

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Solution

The fourth proportional to 42,336.08, 63,379.55 and 28,261.20 is: 42,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.08 : 63,379.55 = 28,261.20 : x
  2. Step 2: Convert to fraction form
    42,336.08/63,379.55 = 28,261.20/x
  3. Step 3: Cross multiply
    42,336.08x = 63,379.55 × 28,261.20
  4. Step 4: Simplify right side
    42,336.08x = 1,791,181,997.15
  5. Step 5: Solve for x
    x = 1,791,181,997.15/42,336.08
  6. Step 6: Final answer
    x = 42,308.65

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1.5x scale

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.