Home / 55,435.26-76,498.95-31,565.34

Finding the Fourth Proportional to 55,435.26, 76,498.95 and 31,565.34

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Solution

The fourth proportional to 55,435.26, 76,498.95 and 31,565.34 is: 43,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.26 : 76,498.95 = 31,565.34 : x
  2. Step 2: Convert to fraction form
    55,435.26/76,498.95 = 31,565.34/x
  3. Step 3: Cross multiply
    55,435.26x = 76,498.95 × 31,565.34
  4. Step 4: Simplify right side
    55,435.26x = 2,414,715,366.39
  5. Step 5: Solve for x
    x = 2,414,715,366.39/55,435.26
  6. Step 6: Final answer
    x = 43,559.20

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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.