Home / 29,401.10-40,551.15-20,341.55

Finding the Fourth Proportional to 29,401.10, 40,551.15 and 20,341.55

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Solution

The fourth proportional to 29,401.10, 40,551.15 and 20,341.55 is: 28,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.10 : 40,551.15 = 20,341.55 : x
  2. Step 2: Convert to fraction form
    29,401.10/40,551.15 = 20,341.55/x
  3. Step 3: Cross multiply
    29,401.10x = 40,551.15 × 20,341.55
  4. Step 4: Simplify right side
    29,401.10x = 824,873,042.53
  5. Step 5: Solve for x
    x = 824,873,042.53/29,401.10
  6. Step 6: Final answer
    x = 28,055.86

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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.