Home / 31,987.26-44,151.66-18,561.51

Finding the Fourth Proportional to 31,987.26, 44,151.66 and 18,561.51

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Solution

The fourth proportional to 31,987.26, 44,151.66 and 18,561.51 is: 25,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.26 : 44,151.66 = 18,561.51 : x
  2. Step 2: Convert to fraction form
    31,987.26/44,151.66 = 18,561.51/x
  3. Step 3: Cross multiply
    31,987.26x = 44,151.66 × 18,561.51
  4. Step 4: Simplify right side
    31,987.26x = 819,521,478.61
  5. Step 5: Solve for x
    x = 819,521,478.61/31,987.26
  6. Step 6: Final answer
    x = 25,620.25

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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.