Home / 38,231.08-57,342.30-13,266.76

Finding the Fourth Proportional to 38,231.08, 57,342.30 and 13,266.76

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Solution

The fourth proportional to 38,231.08, 57,342.30 and 13,266.76 is: 19,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.08 : 57,342.30 = 13,266.76 : x
  2. Step 2: Convert to fraction form
    38,231.08/57,342.30 = 13,266.76/x
  3. Step 3: Cross multiply
    38,231.08x = 57,342.30 × 13,266.76
  4. Step 4: Simplify right side
    38,231.08x = 760,746,531.95
  5. Step 5: Solve for x
    x = 760,746,531.95/38,231.08
  6. Step 6: Final answer
    x = 19,898.64

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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.