Home / 31,159.24-42,999.74-17,012.08

Finding the Fourth Proportional to 31,159.24, 42,999.74 and 17,012.08

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Solution

The fourth proportional to 31,159.24, 42,999.74 and 17,012.08 is: 23,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.24 : 42,999.74 = 17,012.08 : x
  2. Step 2: Convert to fraction form
    31,159.24/42,999.74 = 17,012.08/x
  3. Step 3: Cross multiply
    31,159.24x = 42,999.74 × 17,012.08
  4. Step 4: Simplify right side
    31,159.24x = 731,514,824.30
  5. Step 5: Solve for x
    x = 731,514,824.30/31,159.24
  6. Step 6: Final answer
    x = 23,476.66

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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.