Home / 48,220.68-66,515.49-31,867.95

Finding the Fourth Proportional to 48,220.68, 66,515.49 and 31,867.95

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Solution

The fourth proportional to 48,220.68, 66,515.49 and 31,867.95 is: 43,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.68 : 66,515.49 = 31,867.95 : x
  2. Step 2: Convert to fraction form
    48,220.68/66,515.49 = 31,867.95/x
  3. Step 3: Cross multiply
    48,220.68x = 66,515.49 × 31,867.95
  4. Step 4: Simplify right side
    48,220.68x = 2,119,712,309.55
  5. Step 5: Solve for x
    x = 2,119,712,309.55/48,220.68
  6. Step 6: Final answer
    x = 43,958.57

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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.