Home / 51,805.68-71,490.24-29,145.93

Finding the Fourth Proportional to 51,805.68, 71,490.24 and 29,145.93

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Solution

The fourth proportional to 51,805.68, 71,490.24 and 29,145.93 is: 40,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.68 : 71,490.24 = 29,145.93 : x
  2. Step 2: Convert to fraction form
    51,805.68/71,490.24 = 29,145.93/x
  3. Step 3: Cross multiply
    51,805.68x = 71,490.24 × 29,145.93
  4. Step 4: Simplify right side
    51,805.68x = 2,083,649,530.72
  5. Step 5: Solve for x
    x = 2,083,649,530.72/51,805.68
  6. Step 6: Final answer
    x = 40,220.48

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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.