Home / 42,059.96-63,080.22-12,470.66

Finding the Fourth Proportional to 42,059.96, 63,080.22 and 12,470.66

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Solution

The fourth proportional to 42,059.96, 63,080.22 and 12,470.66 is: 18,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,059.96 : 63,080.22 = 12,470.66 : x
  2. Step 2: Convert to fraction form
    42,059.96/63,080.22 = 12,470.66/x
  3. Step 3: Cross multiply
    42,059.96x = 63,080.22 × 12,470.66
  4. Step 4: Simplify right side
    42,059.96x = 786,651,976.35
  5. Step 5: Solve for x
    x = 786,651,976.35/42,059.96
  6. Step 6: Final answer
    x = 18,703.11

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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.