Home / 31,407.12-43,342.74-17,794.17

Finding the Fourth Proportional to 31,407.12, 43,342.74 and 17,794.17

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Solution

The fourth proportional to 31,407.12, 43,342.74 and 17,794.17 is: 24,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.12 : 43,342.74 = 17,794.17 : x
  2. Step 2: Convert to fraction form
    31,407.12/43,342.74 = 17,794.17/x
  3. Step 3: Cross multiply
    31,407.12x = 43,342.74 × 17,794.17
  4. Step 4: Simplify right side
    31,407.12x = 771,248,083.83
  5. Step 5: Solve for x
    x = 771,248,083.83/31,407.12
  6. Step 6: Final answer
    x = 24,556.47

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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.