Home / 56,442.41-77,891.42-30,951.09

Finding the Fourth Proportional to 56,442.41, 77,891.42 and 30,951.09

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Solution

The fourth proportional to 56,442.41, 77,891.42 and 30,951.09 is: 42,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,442.41 : 77,891.42 = 30,951.09 : x
  2. Step 2: Convert to fraction form
    56,442.41/77,891.42 = 30,951.09/x
  3. Step 3: Cross multiply
    56,442.41x = 77,891.42 × 30,951.09
  4. Step 4: Simplify right side
    56,442.41x = 2,410,824,195.89
  5. Step 5: Solve for x
    x = 2,410,824,195.89/56,442.41
  6. Step 6: Final answer
    x = 42,713.00

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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.