Home / 38,211.19-57,328.17-18,235.68

Finding the Fourth Proportional to 38,211.19, 57,328.17 and 18,235.68

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Solution

The fourth proportional to 38,211.19, 57,328.17 and 18,235.68 is: 27,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.19 : 57,328.17 = 18,235.68 : x
  2. Step 2: Convert to fraction form
    38,211.19/57,328.17 = 18,235.68/x
  3. Step 3: Cross multiply
    38,211.19x = 57,328.17 × 18,235.68
  4. Step 4: Simplify right side
    38,211.19x = 1,045,417,876.46
  5. Step 5: Solve for x
    x = 1,045,417,876.46/38,211.19
  6. Step 6: Final answer
    x = 27,358.95

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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.