Home / 31,673.16-43,698.34-18,244.10

Finding the Fourth Proportional to 31,673.16, 43,698.34 and 18,244.10

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Solution

The fourth proportional to 31,673.16, 43,698.34 and 18,244.10 is: 25,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.16 : 43,698.34 = 18,244.10 : x
  2. Step 2: Convert to fraction form
    31,673.16/43,698.34 = 18,244.10/x
  3. Step 3: Cross multiply
    31,673.16x = 43,698.34 × 18,244.10
  4. Step 4: Simplify right side
    31,673.16x = 797,236,948.43
  5. Step 5: Solve for x
    x = 797,236,948.43/31,673.16
  6. Step 6: Final answer
    x = 25,170.74

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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.