Home / 38,230.08-57,340.80-13,265.76

Finding the Fourth Proportional to 38,230.08, 57,340.80 and 13,265.76

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Solution

The fourth proportional to 38,230.08, 57,340.80 and 13,265.76 is: 19,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.08 : 57,340.80 = 13,265.76 : x
  2. Step 2: Convert to fraction form
    38,230.08/57,340.80 = 13,265.76/x
  3. Step 3: Cross multiply
    38,230.08x = 57,340.80 × 13,265.76
  4. Step 4: Simplify right side
    38,230.08x = 760,669,291.01
  5. Step 5: Solve for x
    x = 760,669,291.01/38,230.08
  6. Step 6: Final answer
    x = 19,897.14

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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.