Home / 38,291.72-57,437.63-18,573.18

Finding the Fourth Proportional to 38,291.72, 57,437.63 and 18,573.18

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Solution

The fourth proportional to 38,291.72, 57,437.63 and 18,573.18 is: 27,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.72 : 57,437.63 = 18,573.18 : x
  2. Step 2: Convert to fraction form
    38,291.72/57,437.63 = 18,573.18/x
  3. Step 3: Cross multiply
    38,291.72x = 57,437.63 × 18,573.18
  4. Step 4: Simplify right side
    38,291.72x = 1,066,799,487.20
  5. Step 5: Solve for x
    x = 1,066,799,487.20/38,291.72
  6. Step 6: Final answer
    x = 27,859.79

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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.