Home / 51,990.15-71,738.82-29,330.13

Finding the Fourth Proportional to 51,990.15, 71,738.82 and 29,330.13

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Solution

The fourth proportional to 51,990.15, 71,738.82 and 29,330.13 is: 40,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.15 : 71,738.82 = 29,330.13 : x
  2. Step 2: Convert to fraction form
    51,990.15/71,738.82 = 29,330.13/x
  3. Step 3: Cross multiply
    51,990.15x = 71,738.82 × 29,330.13
  4. Step 4: Simplify right side
    51,990.15x = 2,104,108,916.65
  5. Step 5: Solve for x
    x = 2,104,108,916.65/51,990.15
  6. Step 6: Final answer
    x = 40,471.30

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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.