Home / 56,339.10-77,747.22-30,845.16

Finding the Fourth Proportional to 56,339.10, 77,747.22 and 30,845.16

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Solution

The fourth proportional to 56,339.10, 77,747.22 and 30,845.16 is: 42,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.10 : 77,747.22 = 30,845.16 : x
  2. Step 2: Convert to fraction form
    56,339.10/77,747.22 = 30,845.16/x
  3. Step 3: Cross multiply
    56,339.10x = 77,747.22 × 30,845.16
  4. Step 4: Simplify right side
    56,339.10x = 2,398,125,440.46
  5. Step 5: Solve for x
    x = 2,398,125,440.46/56,339.10
  6. Step 6: Final answer
    x = 42,565.92

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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.