Home / 31,506.60-43,467.66-18,763.68

Finding the Fourth Proportional to 31,506.60, 43,467.66 and 18,763.68

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Solution

The fourth proportional to 31,506.60, 43,467.66 and 18,763.68 is: 25,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.60 : 43,467.66 = 18,763.68 : x
  2. Step 2: Convert to fraction form
    31,506.60/43,467.66 = 18,763.68/x
  3. Step 3: Cross multiply
    31,506.60x = 43,467.66 × 18,763.68
  4. Step 4: Simplify right side
    31,506.60x = 815,613,262.59
  5. Step 5: Solve for x
    x = 815,613,262.59/31,506.60
  6. Step 6: Final answer
    x = 25,887.06

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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.