Home / 57,401.58-79,214.13-31,907.16

Finding the Fourth Proportional to 57,401.58, 79,214.13 and 31,907.16

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Solution

The fourth proportional to 57,401.58, 79,214.13 and 31,907.16 is: 44,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,401.58 : 79,214.13 = 31,907.16 : x
  2. Step 2: Convert to fraction form
    57,401.58/79,214.13 = 31,907.16/x
  3. Step 3: Cross multiply
    57,401.58x = 79,214.13 × 31,907.16
  4. Step 4: Simplify right side
    57,401.58x = 2,527,497,920.17
  5. Step 5: Solve for x
    x = 2,527,497,920.17/57,401.58
  6. Step 6: Final answer
    x = 44,031.85

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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.