Home / 47,216.40-70,997.40-39,613.20

Finding the Fourth Proportional to 47,216.40, 70,997.40 and 39,613.20

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Solution

The fourth proportional to 47,216.40, 70,997.40 and 39,613.20 is: 59,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,216.40 : 70,997.40 = 39,613.20 : x
  2. Step 2: Convert to fraction form
    47,216.40/70,997.40 = 39,613.20/x
  3. Step 3: Cross multiply
    47,216.40x = 70,997.40 × 39,613.20
  4. Step 4: Simplify right side
    47,216.40x = 2,812,434,205.68
  5. Step 5: Solve for x
    x = 2,812,434,205.68/47,216.40
  6. Step 6: Final answer
    x = 59,564.77

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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.