Home / 52,015.39-71,781.21-29,359.14

Finding the Fourth Proportional to 52,015.39, 71,781.21 and 29,359.14

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Solution

The fourth proportional to 52,015.39, 71,781.21 and 29,359.14 is: 40,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.39 : 71,781.21 = 29,359.14 : x
  2. Step 2: Convert to fraction form
    52,015.39/71,781.21 = 29,359.14/x
  3. Step 3: Cross multiply
    52,015.39x = 71,781.21 × 29,359.14
  4. Step 4: Simplify right side
    52,015.39x = 2,107,434,434.68
  5. Step 5: Solve for x
    x = 2,107,434,434.68/52,015.39
  6. Step 6: Final answer
    x = 40,515.59

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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.