Home / 38,806.56-58,175.28-18,018.72

Finding the Fourth Proportional to 38,806.56, 58,175.28 and 18,018.72

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Solution

The fourth proportional to 38,806.56, 58,175.28 and 18,018.72 is: 27,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.56 : 58,175.28 = 18,018.72 : x
  2. Step 2: Convert to fraction form
    38,806.56/58,175.28 = 18,018.72/x
  3. Step 3: Cross multiply
    38,806.56x = 58,175.28 × 18,018.72
  4. Step 4: Simplify right side
    38,806.56x = 1,048,244,081.24
  5. Step 5: Solve for x
    x = 1,048,244,081.24/38,806.56
  6. Step 6: Final answer
    x = 27,012.03

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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.