Home / 29,061.72-40,104.60-16,315.20

Finding the Fourth Proportional to 29,061.72, 40,104.60 and 16,315.20

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Solution

The fourth proportional to 29,061.72, 40,104.60 and 16,315.20 is: 22,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.72 : 40,104.60 = 16,315.20 : x
  2. Step 2: Convert to fraction form
    29,061.72/40,104.60 = 16,315.20/x
  3. Step 3: Cross multiply
    29,061.72x = 40,104.60 × 16,315.20
  4. Step 4: Simplify right side
    29,061.72x = 654,314,569.92
  5. Step 5: Solve for x
    x = 654,314,569.92/29,061.72
  6. Step 6: Final answer
    x = 22,514.65

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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.