Home / 29,150.31-40,233.81-18,537.87

Finding the Fourth Proportional to 29,150.31, 40,233.81 and 18,537.87

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Solution

The fourth proportional to 29,150.31, 40,233.81 and 18,537.87 is: 25,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.31 : 40,233.81 = 18,537.87 : x
  2. Step 2: Convert to fraction form
    29,150.31/40,233.81 = 18,537.87/x
  3. Step 3: Cross multiply
    29,150.31x = 40,233.81 × 18,537.87
  4. Step 4: Simplify right side
    29,150.31x = 745,849,139.38
  5. Step 5: Solve for x
    x = 745,849,139.38/29,150.31
  6. Step 6: Final answer
    x = 25,586.32

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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.