Home / 38,588.28-57,841.38-18,585.30

Finding the Fourth Proportional to 38,588.28, 57,841.38 and 18,585.30

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Solution

The fourth proportional to 38,588.28, 57,841.38 and 18,585.30 is: 27,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.28 : 57,841.38 = 18,585.30 : x
  2. Step 2: Convert to fraction form
    38,588.28/57,841.38 = 18,585.30/x
  3. Step 3: Cross multiply
    38,588.28x = 57,841.38 × 18,585.30
  4. Step 4: Simplify right side
    38,588.28x = 1,074,999,399.71
  5. Step 5: Solve for x
    x = 1,074,999,399.71/38,588.28
  6. Step 6: Final answer
    x = 27,858.18

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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.