Home / 51,785.01-71,458.07-29,120.40

Finding the Fourth Proportional to 51,785.01, 71,458.07 and 29,120.40

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Solution

The fourth proportional to 51,785.01, 71,458.07 and 29,120.40 is: 40,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785.01 : 71,458.07 = 29,120.40 : x
  2. Step 2: Convert to fraction form
    51,785.01/71,458.07 = 29,120.40/x
  3. Step 3: Cross multiply
    51,785.01x = 71,458.07 × 29,120.40
  4. Step 4: Simplify right side
    51,785.01x = 2,080,887,436.03
  5. Step 5: Solve for x
    x = 2,080,887,436.03/51,785.01
  6. Step 6: Final answer
    x = 40,183.20

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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.