Home / 29,061.96-40,111.60-18,449.32

Finding the Fourth Proportional to 29,061.96, 40,111.60 and 18,449.32

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Solution

The fourth proportional to 29,061.96, 40,111.60 and 18,449.32 is: 25,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.96 : 40,111.60 = 18,449.32 : x
  2. Step 2: Convert to fraction form
    29,061.96/40,111.60 = 18,449.32/x
  3. Step 3: Cross multiply
    29,061.96x = 40,111.60 × 18,449.32
  4. Step 4: Simplify right side
    29,061.96x = 740,031,744.11
  5. Step 5: Solve for x
    x = 740,031,744.11/29,061.96
  6. Step 6: Final answer
    x = 25,463.93

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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.