Home / 56,141.12-77,471.46-30,642.44

Finding the Fourth Proportional to 56,141.12, 77,471.46 and 30,642.44

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Solution

The fourth proportional to 56,141.12, 77,471.46 and 30,642.44 is: 42,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.12 : 77,471.46 = 30,642.44 : x
  2. Step 2: Convert to fraction form
    56,141.12/77,471.46 = 30,642.44/x
  3. Step 3: Cross multiply
    56,141.12x = 77,471.46 × 30,642.44
  4. Step 4: Simplify right side
    56,141.12x = 2,373,914,177.41
  5. Step 5: Solve for x
    x = 2,373,914,177.41/56,141.12
  6. Step 6: Final answer
    x = 42,284.77

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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.