Home / 57,920.10-79,943.67-36,422.70

Finding the Fourth Proportional to 57,920.10, 79,943.67 and 36,422.70

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Solution

The fourth proportional to 57,920.10, 79,943.67 and 36,422.70 is: 50,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920.10 : 79,943.67 = 36,422.70 : x
  2. Step 2: Convert to fraction form
    57,920.10/79,943.67 = 36,422.70/x
  3. Step 3: Cross multiply
    57,920.10x = 79,943.67 × 36,422.70
  4. Step 4: Simplify right side
    57,920.10x = 2,911,764,309.31
  5. Step 5: Solve for x
    x = 2,911,764,309.31/57,920.10
  6. Step 6: Final answer
    x = 50,272.09

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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.