Home / 29,357.40-40,449.70-19,909.56

Finding the Fourth Proportional to 29,357.40, 40,449.70 and 19,909.56

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Solution

The fourth proportional to 29,357.40, 40,449.70 and 19,909.56 is: 27,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.40 : 40,449.70 = 19,909.56 : x
  2. Step 2: Convert to fraction form
    29,357.40/40,449.70 = 19,909.56/x
  3. Step 3: Cross multiply
    29,357.40x = 40,449.70 × 19,909.56
  4. Step 4: Simplify right side
    29,357.40x = 805,335,729.13
  5. Step 5: Solve for x
    x = 805,335,729.13/29,357.40
  6. Step 6: Final answer
    x = 27,432.12

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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.