Home / 38,101.34-57,148.36-13,137.95

Finding the Fourth Proportional to 38,101.34, 57,148.36 and 13,137.95

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Solution

The fourth proportional to 38,101.34, 57,148.36 and 13,137.95 is: 19,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.34 : 57,148.36 = 13,137.95 : x
  2. Step 2: Convert to fraction form
    38,101.34/57,148.36 = 13,137.95/x
  3. Step 3: Cross multiply
    38,101.34x = 57,148.36 × 13,137.95
  4. Step 4: Simplify right side
    38,101.34x = 750,812,121.78
  5. Step 5: Solve for x
    x = 750,812,121.78/38,101.34
  6. Step 6: Final answer
    x = 19,705.66

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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.