Home / 29,549.92-40,778.86-16,121.16

Finding the Fourth Proportional to 29,549.92, 40,778.86 and 16,121.16

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Solution

The fourth proportional to 29,549.92, 40,778.86 and 16,121.16 is: 22,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.92 : 40,778.86 = 16,121.16 : x
  2. Step 2: Convert to fraction form
    29,549.92/40,778.86 = 16,121.16/x
  3. Step 3: Cross multiply
    29,549.92x = 40,778.86 × 16,121.16
  4. Step 4: Simplify right side
    29,549.92x = 657,402,526.68
  5. Step 5: Solve for x
    x = 657,402,526.68/29,549.92
  6. Step 6: Final answer
    x = 22,247.18

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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.