Home / 71,339.46-107,001.09-18,753.05

Finding the Fourth Proportional to 71,339.46, 107,001.09 and 18,753.05

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Solution

The fourth proportional to 71,339.46, 107,001.09 and 18,753.05 is: 28,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339.46 : 107,001.09 = 18,753.05 : x
  2. Step 2: Convert to fraction form
    71,339.46/107,001.09 = 18,753.05/x
  3. Step 3: Cross multiply
    71,339.46x = 107,001.09 × 18,753.05
  4. Step 4: Simplify right side
    71,339.46x = 2,006,596,255.82
  5. Step 5: Solve for x
    x = 2,006,596,255.82/71,339.46
  6. Step 6: Final answer
    x = 28,127.44

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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.