Home / 31,031.85-46,548.05-8,845.20

Finding the Fourth Proportional to 31,031.85, 46,548.05 and 8,845.20

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Solution

The fourth proportional to 31,031.85, 46,548.05 and 8,845.20 is: 13,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.85 : 46,548.05 = 8,845.20 : x
  2. Step 2: Convert to fraction form
    31,031.85/46,548.05 = 8,845.20/x
  3. Step 3: Cross multiply
    31,031.85x = 46,548.05 × 8,845.20
  4. Step 4: Simplify right side
    31,031.85x = 411,726,767.63
  5. Step 5: Solve for x
    x = 411,726,767.63/31,031.85
  6. Step 6: Final answer
    x = 13,267.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.