Home / 31,445.82-43,392.60-18,523.04

Finding the Fourth Proportional to 31,445.82, 43,392.60 and 18,523.04

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Solution

The fourth proportional to 31,445.82, 43,392.60 and 18,523.04 is: 25,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.82 : 43,392.60 = 18,523.04 : x
  2. Step 2: Convert to fraction form
    31,445.82/43,392.60 = 18,523.04/x
  3. Step 3: Cross multiply
    31,445.82x = 43,392.60 × 18,523.04
  4. Step 4: Simplify right side
    31,445.82x = 803,763,044.81
  5. Step 5: Solve for x
    x = 803,763,044.81/31,445.82
  6. Step 6: Final answer
    x = 25,560.25

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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.