Home / 47,479.02-71,219.33-39,126.30

Finding the Fourth Proportional to 47,479.02, 71,219.33 and 39,126.30

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Solution

The fourth proportional to 47,479.02, 71,219.33 and 39,126.30 is: 58,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479.02 : 71,219.33 = 39,126.30 : x
  2. Step 2: Convert to fraction form
    47,479.02/71,219.33 = 39,126.30/x
  3. Step 3: Cross multiply
    47,479.02x = 71,219.33 × 39,126.30
  4. Step 4: Simplify right side
    47,479.02x = 2,786,548,871.38
  5. Step 5: Solve for x
    x = 2,786,548,871.38/47,479.02
  6. Step 6: Final answer
    x = 58,690.11

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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.