Home / 51,079.40-70,489.38-29,854.40

Finding the Fourth Proportional to 51,079.40, 70,489.38 and 29,854.40

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Solution

The fourth proportional to 51,079.40, 70,489.38 and 29,854.40 is: 41,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.40 : 70,489.38 = 29,854.40 : x
  2. Step 2: Convert to fraction form
    51,079.40/70,489.38 = 29,854.40/x
  3. Step 3: Cross multiply
    51,079.40x = 70,489.38 × 29,854.40
  4. Step 4: Simplify right side
    51,079.40x = 2,104,418,146.27
  5. Step 5: Solve for x
    x = 2,104,418,146.27/51,079.40
  6. Step 6: Final answer
    x = 41,198.96

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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.