Home / 29,082.51-40,197.87-21,180.15

Finding the Fourth Proportional to 29,082.51, 40,197.87 and 21,180.15

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Solution

The fourth proportional to 29,082.51, 40,197.87 and 21,180.15 is: 29,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,082.51 : 40,197.87 = 21,180.15 : x
  2. Step 2: Convert to fraction form
    29,082.51/40,197.87 = 21,180.15/x
  3. Step 3: Cross multiply
    29,082.51x = 40,197.87 × 21,180.15
  4. Step 4: Simplify right side
    29,082.51x = 851,396,916.28
  5. Step 5: Solve for x
    x = 851,396,916.28/29,082.51
  6. Step 6: Final answer
    x = 29,275.22

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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.