Home / 38,480.40-57,645.27-34,300.80

Finding the Fourth Proportional to 38,480.40, 57,645.27 and 34,300.80

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Solution

The fourth proportional to 38,480.40, 57,645.27 and 34,300.80 is: 51,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.40 : 57,645.27 = 34,300.80 : x
  2. Step 2: Convert to fraction form
    38,480.40/57,645.27 = 34,300.80/x
  3. Step 3: Cross multiply
    38,480.40x = 57,645.27 × 34,300.80
  4. Step 4: Simplify right side
    38,480.40x = 1,977,278,877.22
  5. Step 5: Solve for x
    x = 1,977,278,877.22/38,480.40
  6. Step 6: Final answer
    x = 51,384.05

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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.