Home / 47,973.68-66,144.84-39,446

Finding the Fourth Proportional to 47,973.68, 66,144.84 and 39,446

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Solution

The fourth proportional to 47,973.68, 66,144.84 and 39,446 is: 54,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,973.68 : 66,144.84 = 39,446 : x
  2. Step 2: Convert to fraction form
    47,973.68/66,144.84 = 39,446/x
  3. Step 3: Cross multiply
    47,973.68x = 66,144.84 × 39,446
  4. Step 4: Simplify right side
    47,973.68x = 2,609,149,358.64
  5. Step 5: Solve for x
    x = 2,609,149,358.64/47,973.68
  6. Step 6: Final answer
    x = 54,387.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.