Home / 49,619.88-68,275.35-48,438.90

Finding the Fourth Proportional to 49,619.88, 68,275.35 and 48,438.90

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Solution

The fourth proportional to 49,619.88, 68,275.35 and 48,438.90 is: 66,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.88 : 68,275.35 = 48,438.90 : x
  2. Step 2: Convert to fraction form
    49,619.88/68,275.35 = 48,438.90/x
  3. Step 3: Cross multiply
    49,619.88x = 68,275.35 × 48,438.90
  4. Step 4: Simplify right side
    49,619.88x = 3,307,182,851.12
  5. Step 5: Solve for x
    x = 3,307,182,851.12/49,619.88
  6. Step 6: Final answer
    x = 66,650.36

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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.