Home / 35,404.22-53,115.46-13,217.78

Finding the Fourth Proportional to 35,404.22, 53,115.46 and 13,217.78

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Solution

The fourth proportional to 35,404.22, 53,115.46 and 13,217.78 is: 19,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,404.22 : 53,115.46 = 13,217.78 : x
  2. Step 2: Convert to fraction form
    35,404.22/53,115.46 = 13,217.78/x
  3. Step 3: Cross multiply
    35,404.22x = 53,115.46 × 13,217.78
  4. Step 4: Simplify right side
    35,404.22x = 702,068,133.21
  5. Step 5: Solve for x
    x = 702,068,133.21/35,404.22
  6. Step 6: Final answer
    x = 19,830.07

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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.