Home / 29,989.92-41,386.14-16,561.20

Finding the Fourth Proportional to 29,989.92, 41,386.14 and 16,561.20

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Solution

The fourth proportional to 29,989.92, 41,386.14 and 16,561.20 is: 22,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.92 : 41,386.14 = 16,561.20 : x
  2. Step 2: Convert to fraction form
    29,989.92/41,386.14 = 16,561.20/x
  3. Step 3: Cross multiply
    29,989.92x = 41,386.14 × 16,561.20
  4. Step 4: Simplify right side
    29,989.92x = 685,404,141.77
  5. Step 5: Solve for x
    x = 685,404,141.77/29,989.92
  6. Step 6: Final answer
    x = 22,854.48

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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.