Home / 38,645.74-57,966.72-12,349.36

Finding the Fourth Proportional to 38,645.74, 57,966.72 and 12,349.36

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Solution

The fourth proportional to 38,645.74, 57,966.72 and 12,349.36 is: 18,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.74 : 57,966.72 = 12,349.36 : x
  2. Step 2: Convert to fraction form
    38,645.74/57,966.72 = 12,349.36/x
  3. Step 3: Cross multiply
    38,645.74x = 57,966.72 × 12,349.36
  4. Step 4: Simplify right side
    38,645.74x = 715,851,893.30
  5. Step 5: Solve for x
    x = 715,851,893.30/38,645.74
  6. Step 6: Final answer
    x = 18,523.44

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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.