Home / 31,412.76-43,347.99-17,262.87

Finding the Fourth Proportional to 31,412.76, 43,347.99 and 17,262.87

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Solution

The fourth proportional to 31,412.76, 43,347.99 and 17,262.87 is: 23,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.76 : 43,347.99 = 17,262.87 : x
  2. Step 2: Convert to fraction form
    31,412.76/43,347.99 = 17,262.87/x
  3. Step 3: Cross multiply
    31,412.76x = 43,347.99 × 17,262.87
  4. Step 4: Simplify right side
    31,412.76x = 748,310,716.13
  5. Step 5: Solve for x
    x = 748,310,716.13/31,412.76
  6. Step 6: Final answer
    x = 23,821.87

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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.