Home / 29,401.31-40,574.15-15,972.77

Finding the Fourth Proportional to 29,401.31, 40,574.15 and 15,972.77

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Solution

The fourth proportional to 29,401.31, 40,574.15 and 15,972.77 is: 22,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.31 : 40,574.15 = 15,972.77 : x
  2. Step 2: Convert to fraction form
    29,401.31/40,574.15 = 15,972.77/x
  3. Step 3: Cross multiply
    29,401.31x = 40,574.15 × 15,972.77
  4. Step 4: Simplify right side
    29,401.31x = 648,081,647.36
  5. Step 5: Solve for x
    x = 648,081,647.36/29,401.31
  6. Step 6: Final answer
    x = 22,042.61

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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.