Home / 51,490.07-71,057.37-29,134.07

Finding the Fourth Proportional to 51,490.07, 71,057.37 and 29,134.07

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Solution

The fourth proportional to 51,490.07, 71,057.37 and 29,134.07 is: 40,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.07 : 71,057.37 = 29,134.07 : x
  2. Step 2: Convert to fraction form
    51,490.07/71,057.37 = 29,134.07/x
  3. Step 3: Cross multiply
    51,490.07x = 71,057.37 × 29,134.07
  4. Step 4: Simplify right side
    51,490.07x = 2,070,189,890.64
  5. Step 5: Solve for x
    x = 2,070,189,890.64/51,490.07
  6. Step 6: Final answer
    x = 40,205.62

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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.