Home / 31,401.21-47,117.97-17,358.63

Finding the Fourth Proportional to 31,401.21, 47,117.97 and 17,358.63

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Solution

The fourth proportional to 31,401.21, 47,117.97 and 17,358.63 is: 26,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.21 : 47,117.97 = 17,358.63 : x
  2. Step 2: Convert to fraction form
    31,401.21/47,117.97 = 17,358.63/x
  3. Step 3: Cross multiply
    31,401.21x = 47,117.97 × 17,358.63
  4. Step 4: Simplify right side
    31,401.21x = 817,903,407.58
  5. Step 5: Solve for x
    x = 817,903,407.58/31,401.21
  6. Step 6: Final answer
    x = 26,046.88

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1.5x scale

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.