Home / 31,405.01-47,114.44-17,385.49

Finding the Fourth Proportional to 31,405.01, 47,114.44 and 17,385.49

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Solution

The fourth proportional to 31,405.01, 47,114.44 and 17,385.49 is: 26,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.01 : 47,114.44 = 17,385.49 : x
  2. Step 2: Convert to fraction form
    31,405.01/47,114.44 = 17,385.49/x
  3. Step 3: Cross multiply
    31,405.01x = 47,114.44 × 17,385.49
  4. Step 4: Simplify right side
    31,405.01x = 819,107,389.90
  5. Step 5: Solve for x
    x = 819,107,389.90/31,405.01
  6. Step 6: Final answer
    x = 26,082.06

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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.