Home / 45,129.69-62,247.11-30,014.82

Finding the Fourth Proportional to 45,129.69, 62,247.11 and 30,014.82

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Solution

The fourth proportional to 45,129.69, 62,247.11 and 30,014.82 is: 41,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.69 : 62,247.11 = 30,014.82 : x
  2. Step 2: Convert to fraction form
    45,129.69/62,247.11 = 30,014.82/x
  3. Step 3: Cross multiply
    45,129.69x = 62,247.11 × 30,014.82
  4. Step 4: Simplify right side
    45,129.69x = 1,868,335,652.10
  5. Step 5: Solve for x
    x = 1,868,335,652.10/45,129.69
  6. Step 6: Final answer
    x = 41,399.26

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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.