Home / 38,570.17-57,862.11-13,624.69

Finding the Fourth Proportional to 38,570.17, 57,862.11 and 13,624.69

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Solution

The fourth proportional to 38,570.17, 57,862.11 and 13,624.69 is: 20,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.17 : 57,862.11 = 13,624.69 : x
  2. Step 2: Convert to fraction form
    38,570.17/57,862.11 = 13,624.69/x
  3. Step 3: Cross multiply
    38,570.17x = 57,862.11 × 13,624.69
  4. Step 4: Simplify right side
    38,570.17x = 788,353,311.50
  5. Step 5: Solve for x
    x = 788,353,311.50/38,570.17
  6. Step 6: Final answer
    x = 20,439.46

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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.