Home / 47,388.20-71,187.90-39,612.20

Finding the Fourth Proportional to 47,388.20, 71,187.90 and 39,612.20

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Solution

The fourth proportional to 47,388.20, 71,187.90 and 39,612.20 is: 59,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.20 : 71,187.90 = 39,612.20 : x
  2. Step 2: Convert to fraction form
    47,388.20/71,187.90 = 39,612.20/x
  3. Step 3: Cross multiply
    47,388.20x = 71,187.90 × 39,612.20
  4. Step 4: Simplify right side
    47,388.20x = 2,819,909,332.38
  5. Step 5: Solve for x
    x = 2,819,909,332.38/47,388.20
  6. Step 6: Final answer
    x = 59,506.57

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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.