Home / 56,241.28-77,610.08-31,085.92

Finding the Fourth Proportional to 56,241.28, 77,610.08 and 31,085.92

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Solution

The fourth proportional to 56,241.28, 77,610.08 and 31,085.92 is: 42,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,241.28 : 77,610.08 = 31,085.92 : x
  2. Step 2: Convert to fraction form
    56,241.28/77,610.08 = 31,085.92/x
  3. Step 3: Cross multiply
    56,241.28x = 77,610.08 × 31,085.92
  4. Step 4: Simplify right side
    56,241.28x = 2,412,580,738.07
  5. Step 5: Solve for x
    x = 2,412,580,738.07/56,241.28
  6. Step 6: Final answer
    x = 42,896.97

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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.