Home / 55,713.68-76,883.56-30,562.96

Finding the Fourth Proportional to 55,713.68, 76,883.56 and 30,562.96

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Solution

The fourth proportional to 55,713.68, 76,883.56 and 30,562.96 is: 42,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.68 : 76,883.56 = 30,562.96 : x
  2. Step 2: Convert to fraction form
    55,713.68/76,883.56 = 30,562.96/x
  3. Step 3: Cross multiply
    55,713.68x = 76,883.56 × 30,562.96
  4. Step 4: Simplify right side
    55,713.68x = 2,349,789,168.94
  5. Step 5: Solve for x
    x = 2,349,789,168.94/55,713.68
  6. Step 6: Final answer
    x = 42,176.16

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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.