Home / 47,372.12-71,043.93-39,031.46

Finding the Fourth Proportional to 47,372.12, 71,043.93 and 39,031.46

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Solution

The fourth proportional to 47,372.12, 71,043.93 and 39,031.46 is: 58,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.12 : 71,043.93 = 39,031.46 : x
  2. Step 2: Convert to fraction form
    47,372.12/71,043.93 = 39,031.46/x
  3. Step 3: Cross multiply
    47,372.12x = 71,043.93 × 39,031.46
  4. Step 4: Simplify right side
    47,372.12x = 2,772,948,312.04
  5. Step 5: Solve for x
    x = 2,772,948,312.04/47,372.12
  6. Step 6: Final answer
    x = 58,535.45

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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.