Home / 40,469.40-55,883.02-25,387.98

Finding the Fourth Proportional to 40,469.40, 55,883.02 and 25,387.98

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Solution

The fourth proportional to 40,469.40, 55,883.02 and 25,387.98 is: 35,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469.40 : 55,883.02 = 25,387.98 : x
  2. Step 2: Convert to fraction form
    40,469.40/55,883.02 = 25,387.98/x
  3. Step 3: Cross multiply
    40,469.40x = 55,883.02 × 25,387.98
  4. Step 4: Simplify right side
    40,469.40x = 1,418,756,994.10
  5. Step 5: Solve for x
    x = 1,418,756,994.10/40,469.40
  6. Step 6: Final answer
    x = 35,057.52

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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.