Home / 56,452.75-77,904.90-30,959.29

Finding the Fourth Proportional to 56,452.75, 77,904.90 and 30,959.29

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Solution

The fourth proportional to 56,452.75, 77,904.90 and 30,959.29 is: 42,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.75 : 77,904.90 = 30,959.29 : x
  2. Step 2: Convert to fraction form
    56,452.75/77,904.90 = 30,959.29/x
  3. Step 3: Cross multiply
    56,452.75x = 77,904.90 × 30,959.29
  4. Step 4: Simplify right side
    56,452.75x = 2,411,880,284.78
  5. Step 5: Solve for x
    x = 2,411,880,284.78/56,452.75
  6. Step 6: Final answer
    x = 42,723.88

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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.