Home / 38,386.80-57,612.60-17,359.20

Finding the Fourth Proportional to 38,386.80, 57,612.60 and 17,359.20

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Solution

The fourth proportional to 38,386.80, 57,612.60 and 17,359.20 is: 26,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386.80 : 57,612.60 = 17,359.20 : x
  2. Step 2: Convert to fraction form
    38,386.80/57,612.60 = 17,359.20/x
  3. Step 3: Cross multiply
    38,386.80x = 57,612.60 × 17,359.20
  4. Step 4: Simplify right side
    38,386.80x = 1,000,108,645.92
  5. Step 5: Solve for x
    x = 1,000,108,645.92/38,386.80
  6. Step 6: Final answer
    x = 26,053.45

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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.