Home / 45,542.55-68,278.28-28,899.48

Finding the Fourth Proportional to 45,542.55, 68,278.28 and 28,899.48

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Solution

The fourth proportional to 45,542.55, 68,278.28 and 28,899.48 is: 43,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.55 : 68,278.28 = 28,899.48 : x
  2. Step 2: Convert to fraction form
    45,542.55/68,278.28 = 28,899.48/x
  3. Step 3: Cross multiply
    45,542.55x = 68,278.28 × 28,899.48
  4. Step 4: Simplify right side
    45,542.55x = 1,973,206,642.80
  5. Step 5: Solve for x
    x = 1,973,206,642.80/45,542.55
  6. Step 6: Final answer
    x = 43,326.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.