Home / 45,214.38-62,388.24-30,129.57

Finding the Fourth Proportional to 45,214.38, 62,388.24 and 30,129.57

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Solution

The fourth proportional to 45,214.38, 62,388.24 and 30,129.57 is: 41,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,214.38 : 62,388.24 = 30,129.57 : x
  2. Step 2: Convert to fraction form
    45,214.38/62,388.24 = 30,129.57/x
  3. Step 3: Cross multiply
    45,214.38x = 62,388.24 × 30,129.57
  4. Step 4: Simplify right side
    45,214.38x = 1,879,730,844.26
  5. Step 5: Solve for x
    x = 1,879,730,844.26/45,214.38
  6. Step 6: Final answer
    x = 41,573.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.