Home / 31,460.13-43,414.65-17,312.67

Finding the Fourth Proportional to 31,460.13, 43,414.65 and 17,312.67

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Solution

The fourth proportional to 31,460.13, 43,414.65 and 17,312.67 is: 23,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.13 : 43,414.65 = 17,312.67 : x
  2. Step 2: Convert to fraction form
    31,460.13/43,414.65 = 17,312.67/x
  3. Step 3: Cross multiply
    31,460.13x = 43,414.65 × 17,312.67
  4. Step 4: Simplify right side
    31,460.13x = 751,623,508.62
  5. Step 5: Solve for x
    x = 751,623,508.62/31,460.13
  6. Step 6: Final answer
    x = 23,891.30

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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.