Home / 31,291.36-43,186.28-17,859.60

Finding the Fourth Proportional to 31,291.36, 43,186.28 and 17,859.60

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Solution

The fourth proportional to 31,291.36, 43,186.28 and 17,859.60 is: 24,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.36 : 43,186.28 = 17,859.60 : x
  2. Step 2: Convert to fraction form
    31,291.36/43,186.28 = 17,859.60/x
  3. Step 3: Cross multiply
    31,291.36x = 43,186.28 × 17,859.60
  4. Step 4: Simplify right side
    31,291.36x = 771,289,686.29
  5. Step 5: Solve for x
    x = 771,289,686.29/31,291.36
  6. Step 6: Final answer
    x = 24,648.65

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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.