Home / 29,061.96-40,095.20-18,996.21

Finding the Fourth Proportional to 29,061.96, 40,095.20 and 18,996.21

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Solution

The fourth proportional to 29,061.96, 40,095.20 and 18,996.21 is: 26,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.96 : 40,095.20 = 18,996.21 : x
  2. Step 2: Convert to fraction form
    29,061.96/40,095.20 = 18,996.21/x
  3. Step 3: Cross multiply
    29,061.96x = 40,095.20 × 18,996.21
  4. Step 4: Simplify right side
    29,061.96x = 761,656,744.21
  5. Step 5: Solve for x
    x = 761,656,744.21/29,061.96
  6. Step 6: Final answer
    x = 26,208.03

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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.