Home / 31,587.03-43,589.82-17,439.57

Finding the Fourth Proportional to 31,587.03, 43,589.82 and 17,439.57

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Solution

The fourth proportional to 31,587.03, 43,589.82 and 17,439.57 is: 24,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.03 : 43,589.82 = 17,439.57 : x
  2. Step 2: Convert to fraction form
    31,587.03/43,589.82 = 17,439.57/x
  3. Step 3: Cross multiply
    31,587.03x = 43,589.82 × 17,439.57
  4. Step 4: Simplify right side
    31,587.03x = 760,187,717.18
  5. Step 5: Solve for x
    x = 760,187,717.18/31,587.03
  6. Step 6: Final answer
    x = 24,066.45

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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.