Home / 40,253.31-55,565.19-30,210.86

Finding the Fourth Proportional to 40,253.31, 55,565.19 and 30,210.86

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Solution

The fourth proportional to 40,253.31, 55,565.19 and 30,210.86 is: 41,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.31 : 55,565.19 = 30,210.86 : x
  2. Step 2: Convert to fraction form
    40,253.31/55,565.19 = 30,210.86/x
  3. Step 3: Cross multiply
    40,253.31x = 55,565.19 × 30,210.86
  4. Step 4: Simplify right side
    40,253.31x = 1,678,672,314.88
  5. Step 5: Solve for x
    x = 1,678,672,314.88/40,253.31
  6. Step 6: Final answer
    x = 41,702.72

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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.