Home / 31,401.29-43,332.21-17,254.64

Finding the Fourth Proportional to 31,401.29, 43,332.21 and 17,254.64

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Solution

The fourth proportional to 31,401.29, 43,332.21 and 17,254.64 is: 23,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.29 : 43,332.21 = 17,254.64 : x
  2. Step 2: Convert to fraction form
    31,401.29/43,332.21 = 17,254.64/x
  3. Step 3: Cross multiply
    31,401.29x = 43,332.21 × 17,254.64
  4. Step 4: Simplify right side
    31,401.29x = 747,681,467.29
  5. Step 5: Solve for x
    x = 747,681,467.29/31,401.29
  6. Step 6: Final answer
    x = 23,810.54

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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.