Home / 39,373.12-54,339.52-22,379.92

Finding the Fourth Proportional to 39,373.12, 54,339.52 and 22,379.92

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Solution

The fourth proportional to 39,373.12, 54,339.52 and 22,379.92 is: 30,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.12 : 54,339.52 = 22,379.92 : x
  2. Step 2: Convert to fraction form
    39,373.12/54,339.52 = 22,379.92/x
  3. Step 3: Cross multiply
    39,373.12x = 54,339.52 × 22,379.92
  4. Step 4: Simplify right side
    39,373.12x = 1,216,113,838.74
  5. Step 5: Solve for x
    x = 1,216,113,838.74/39,373.12
  6. Step 6: Final answer
    x = 30,886.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.