Home / 55,344.42-76,374.95-31,471.11

Finding the Fourth Proportional to 55,344.42, 76,374.95 and 31,471.11

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Solution

The fourth proportional to 55,344.42, 76,374.95 and 31,471.11 is: 43,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.42 : 76,374.95 = 31,471.11 : x
  2. Step 2: Convert to fraction form
    55,344.42/76,374.95 = 31,471.11/x
  3. Step 3: Cross multiply
    55,344.42x = 76,374.95 × 31,471.11
  4. Step 4: Simplify right side
    55,344.42x = 2,403,604,452.69
  5. Step 5: Solve for x
    x = 2,403,604,452.69/55,344.42
  6. Step 6: Final answer
    x = 43,429.93

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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.