Home / 42,316.88-63,475.55-12,734.52

Finding the Fourth Proportional to 42,316.88, 63,475.55 and 12,734.52

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Solution

The fourth proportional to 42,316.88, 63,475.55 and 12,734.52 is: 19,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.88 : 63,475.55 = 12,734.52 : x
  2. Step 2: Convert to fraction form
    42,316.88/63,475.55 = 12,734.52/x
  3. Step 3: Cross multiply
    42,316.88x = 63,475.55 × 12,734.52
  4. Step 4: Simplify right side
    42,316.88x = 808,330,279.94
  5. Step 5: Solve for x
    x = 808,330,279.94/42,316.88
  6. Step 6: Final answer
    x = 19,101.84

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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.