Home / 36,281.64-54,422.19-19,746.78

Finding the Fourth Proportional to 36,281.64, 54,422.19 and 19,746.78

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Solution

The fourth proportional to 36,281.64, 54,422.19 and 19,746.78 is: 29,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.64 : 54,422.19 = 19,746.78 : x
  2. Step 2: Convert to fraction form
    36,281.64/54,422.19 = 19,746.78/x
  3. Step 3: Cross multiply
    36,281.64x = 54,422.19 × 19,746.78
  4. Step 4: Simplify right side
    36,281.64x = 1,074,663,013.05
  5. Step 5: Solve for x
    x = 1,074,663,013.05/36,281.64
  6. Step 6: Final answer
    x = 29,620.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.