Home / 31,587.11-43,590.23-17,440.07

Finding the Fourth Proportional to 31,587.11, 43,590.23 and 17,440.07

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Solution

The fourth proportional to 31,587.11, 43,590.23 and 17,440.07 is: 24,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.11 : 43,590.23 = 17,440.07 : x
  2. Step 2: Convert to fraction form
    31,587.11/43,590.23 = 17,440.07/x
  3. Step 3: Cross multiply
    31,587.11x = 43,590.23 × 17,440.07
  4. Step 4: Simplify right side
    31,587.11x = 760,216,575.32
  5. Step 5: Solve for x
    x = 760,216,575.32/31,587.11
  6. Step 6: Final answer
    x = 24,067.30

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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.