Home / 51,862.20-71,566.92-30,643.44

Finding the Fourth Proportional to 51,862.20, 71,566.92 and 30,643.44

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Solution

The fourth proportional to 51,862.20, 71,566.92 and 30,643.44 is: 42,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.20 : 71,566.92 = 30,643.44 : x
  2. Step 2: Convert to fraction form
    51,862.20/71,566.92 = 30,643.44/x
  3. Step 3: Cross multiply
    51,862.20x = 71,566.92 × 30,643.44
  4. Step 4: Simplify right side
    51,862.20x = 2,193,056,619.00
  5. Step 5: Solve for x
    x = 2,193,056,619.00/51,862.20
  6. Step 6: Final answer
    x = 42,286.22

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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.