Home / 42,062.85-63,100.08-15,405.39

Finding the Fourth Proportional to 42,062.85, 63,100.08 and 15,405.39

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Solution

The fourth proportional to 42,062.85, 63,100.08 and 15,405.39 is: 23,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.85 : 63,100.08 = 15,405.39 : x
  2. Step 2: Convert to fraction form
    42,062.85/63,100.08 = 15,405.39/x
  3. Step 3: Cross multiply
    42,062.85x = 63,100.08 × 15,405.39
  4. Step 4: Simplify right side
    42,062.85x = 972,081,341.43
  5. Step 5: Solve for x
    x = 972,081,341.43/42,062.85
  6. Step 6: Final answer
    x = 23,110.21

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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.