Home / 38,070.38-57,022.42-15,816.29

Finding the Fourth Proportional to 38,070.38, 57,022.42 and 15,816.29

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Solution

The fourth proportional to 38,070.38, 57,022.42 and 15,816.29 is: 23,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.38 : 57,022.42 = 15,816.29 : x
  2. Step 2: Convert to fraction form
    38,070.38/57,022.42 = 15,816.29/x
  3. Step 3: Cross multiply
    38,070.38x = 57,022.42 × 15,816.29
  4. Step 4: Simplify right side
    38,070.38x = 901,883,131.22
  5. Step 5: Solve for x
    x = 901,883,131.22/38,070.38
  6. Step 6: Final answer
    x = 23,689.89

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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.