Home / 31,244.68-43,119.06-17,637.28

Finding the Fourth Proportional to 31,244.68, 43,119.06 and 17,637.28

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Solution

The fourth proportional to 31,244.68, 43,119.06 and 17,637.28 is: 24,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.68 : 43,119.06 = 17,637.28 : x
  2. Step 2: Convert to fraction form
    31,244.68/43,119.06 = 17,637.28/x
  3. Step 3: Cross multiply
    31,244.68x = 43,119.06 × 17,637.28
  4. Step 4: Simplify right side
    31,244.68x = 760,502,934.56
  5. Step 5: Solve for x
    x = 760,502,934.56/31,244.68
  6. Step 6: Final answer
    x = 24,340.24

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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.