Home / 38,419.40-57,629.10-29,088.20

Finding the Fourth Proportional to 38,419.40, 57,629.10 and 29,088.20

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Solution

The fourth proportional to 38,419.40, 57,629.10 and 29,088.20 is: 43,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419.40 : 57,629.10 = 29,088.20 : x
  2. Step 2: Convert to fraction form
    38,419.40/57,629.10 = 29,088.20/x
  3. Step 3: Cross multiply
    38,419.40x = 57,629.10 × 29,088.20
  4. Step 4: Simplify right side
    38,419.40x = 1,676,326,786.62
  5. Step 5: Solve for x
    x = 1,676,326,786.62/38,419.40
  6. Step 6: Final answer
    x = 43,632.30

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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.