Home / 31,585.27-43,587.77-17,245.13

Finding the Fourth Proportional to 31,585.27, 43,587.77 and 17,245.13

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Solution

The fourth proportional to 31,585.27, 43,587.77 and 17,245.13 is: 23,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.27 : 43,587.77 = 17,245.13 : x
  2. Step 2: Convert to fraction form
    31,585.27/43,587.77 = 17,245.13/x
  3. Step 3: Cross multiply
    31,585.27x = 43,587.77 × 17,245.13
  4. Step 4: Simplify right side
    31,585.27x = 751,676,675.49
  5. Step 5: Solve for x
    x = 751,676,675.49/31,585.27
  6. Step 6: Final answer
    x = 23,798.33

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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.