Home / 29,401.98-40,575.51-16,830.78

Finding the Fourth Proportional to 29,401.98, 40,575.51 and 16,830.78

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Solution

The fourth proportional to 29,401.98, 40,575.51 and 16,830.78 is: 23,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.98 : 40,575.51 = 16,830.78 : x
  2. Step 2: Convert to fraction form
    29,401.98/40,575.51 = 16,830.78/x
  3. Step 3: Cross multiply
    29,401.98x = 40,575.51 × 16,830.78
  4. Step 4: Simplify right side
    29,401.98x = 682,917,482.20
  5. Step 5: Solve for x
    x = 682,917,482.20/29,401.98
  6. Step 6: Final answer
    x = 23,226.92

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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.