Home / 31,496.98-43,449.28-18,741.10

Finding the Fourth Proportional to 31,496.98, 43,449.28 and 18,741.10

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Solution

The fourth proportional to 31,496.98, 43,449.28 and 18,741.10 is: 25,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496.98 : 43,449.28 = 18,741.10 : x
  2. Step 2: Convert to fraction form
    31,496.98/43,449.28 = 18,741.10/x
  3. Step 3: Cross multiply
    31,496.98x = 43,449.28 × 18,741.10
  4. Step 4: Simplify right side
    31,496.98x = 814,287,301.41
  5. Step 5: Solve for x
    x = 814,287,301.41/31,496.98
  6. Step 6: Final answer
    x = 25,852.87

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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.