Home / 56,034.28-77,327.60-30,883.76

Finding the Fourth Proportional to 56,034.28, 77,327.60 and 30,883.76

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Solution

The fourth proportional to 56,034.28, 77,327.60 and 30,883.76 is: 42,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,034.28 : 77,327.60 = 30,883.76 : x
  2. Step 2: Convert to fraction form
    56,034.28/77,327.60 = 30,883.76/x
  3. Step 3: Cross multiply
    56,034.28x = 77,327.60 × 30,883.76
  4. Step 4: Simplify right side
    56,034.28x = 2,388,167,039.78
  5. Step 5: Solve for x
    x = 2,388,167,039.78/56,034.28
  6. Step 6: Final answer
    x = 42,619.75

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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.