Home / 31,122.48-46,690.16-11,401.68

Finding the Fourth Proportional to 31,122.48, 46,690.16 and 11,401.68

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Solution

The fourth proportional to 31,122.48, 46,690.16 and 11,401.68 is: 17,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.48 : 46,690.16 = 11,401.68 : x
  2. Step 2: Convert to fraction form
    31,122.48/46,690.16 = 11,401.68/x
  3. Step 3: Cross multiply
    31,122.48x = 46,690.16 × 11,401.68
  4. Step 4: Simplify right side
    31,122.48x = 532,346,263.47
  5. Step 5: Solve for x
    x = 532,346,263.47/31,122.48
  6. Step 6: Final answer
    x = 17,104.88

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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.