Home / 51,530.13-71,111.57-29,174.13

Finding the Fourth Proportional to 51,530.13, 71,111.57 and 29,174.13

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Solution

The fourth proportional to 51,530.13, 71,111.57 and 29,174.13 is: 40,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,530.13 : 71,111.57 = 29,174.13 : x
  2. Step 2: Convert to fraction form
    51,530.13/71,111.57 = 29,174.13/x
  3. Step 3: Cross multiply
    51,530.13x = 71,111.57 × 29,174.13
  4. Step 4: Simplify right side
    51,530.13x = 2,074,618,187.68
  5. Step 5: Solve for x
    x = 2,074,618,187.68/51,530.13
  6. Step 6: Final answer
    x = 40,260.29

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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.