Home / 31,215.30-43,077.24-17,068.13

Finding the Fourth Proportional to 31,215.30, 43,077.24 and 17,068.13

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Solution

The fourth proportional to 31,215.30, 43,077.24 and 17,068.13 is: 23,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.30 : 43,077.24 = 17,068.13 : x
  2. Step 2: Convert to fraction form
    31,215.30/43,077.24 = 17,068.13/x
  3. Step 3: Cross multiply
    31,215.30x = 43,077.24 × 17,068.13
  4. Step 4: Simplify right side
    31,215.30x = 735,247,716.98
  5. Step 5: Solve for x
    x = 735,247,716.98/31,215.30
  6. Step 6: Final answer
    x = 23,554.08

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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.