Home / 55,424.46-76,489.61-31,551.13

Finding the Fourth Proportional to 55,424.46, 76,489.61 and 31,551.13

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Solution

The fourth proportional to 55,424.46, 76,489.61 and 31,551.13 is: 43,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.46 : 76,489.61 = 31,551.13 : x
  2. Step 2: Convert to fraction form
    55,424.46/76,489.61 = 31,551.13/x
  3. Step 3: Cross multiply
    55,424.46x = 76,489.61 × 31,551.13
  4. Step 4: Simplify right side
    55,424.46x = 2,413,333,313.84
  5. Step 5: Solve for x
    x = 2,413,333,313.84/55,424.46
  6. Step 6: Final answer
    x = 43,542.75

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1.5x scale

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.