Home / 29,929.60-41,301-16,500.16

Finding the Fourth Proportional to 29,929.60, 41,301 and 16,500.16

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Solution

The fourth proportional to 29,929.60, 41,301 and 16,500.16 is: 22,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.60 : 41,301 = 16,500.16 : x
  2. Step 2: Convert to fraction form
    29,929.60/41,301 = 16,500.16/x
  3. Step 3: Cross multiply
    29,929.60x = 41,301 × 16,500.16
  4. Step 4: Simplify right side
    29,929.60x = 681,473,108.16
  5. Step 5: Solve for x
    x = 681,473,108.16/29,929.60
  6. Step 6: Final answer
    x = 22,769.20

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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.