Home / 38,057.38-57,071.88-13,090.36

Finding the Fourth Proportional to 38,057.38, 57,071.88 and 13,090.36

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Solution

The fourth proportional to 38,057.38, 57,071.88 and 13,090.36 is: 19,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057.38 : 57,071.88 = 13,090.36 : x
  2. Step 2: Convert to fraction form
    38,057.38/57,071.88 = 13,090.36/x
  3. Step 3: Cross multiply
    38,057.38x = 57,071.88 × 13,090.36
  4. Step 4: Simplify right side
    38,057.38x = 747,091,455.08
  5. Step 5: Solve for x
    x = 747,091,455.08/38,057.38
  6. Step 6: Final answer
    x = 19,630.66

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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.