Home / 31,005.44-42,791.12-17,397.24

Finding the Fourth Proportional to 31,005.44, 42,791.12 and 17,397.24

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Solution

The fourth proportional to 31,005.44, 42,791.12 and 17,397.24 is: 24,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.44 : 42,791.12 = 17,397.24 : x
  2. Step 2: Convert to fraction form
    31,005.44/42,791.12 = 17,397.24/x
  3. Step 3: Cross multiply
    31,005.44x = 42,791.12 × 17,397.24
  4. Step 4: Simplify right side
    31,005.44x = 744,447,384.51
  5. Step 5: Solve for x
    x = 744,447,384.51/31,005.44
  6. Step 6: Final answer
    x = 24,010.22

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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.