Home / 38,718.61-57,931.16-22,932.11

Finding the Fourth Proportional to 38,718.61, 57,931.16 and 22,932.11

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Solution

The fourth proportional to 38,718.61, 57,931.16 and 22,932.11 is: 34,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.61 : 57,931.16 = 22,932.11 : x
  2. Step 2: Convert to fraction form
    38,718.61/57,931.16 = 22,932.11/x
  3. Step 3: Cross multiply
    38,718.61x = 57,931.16 × 22,932.11
  4. Step 4: Simplify right side
    38,718.61x = 1,328,483,763.71
  5. Step 5: Solve for x
    x = 1,328,483,763.71/38,718.61
  6. Step 6: Final answer
    x = 34,311.25

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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.