Home / 38,005.57-52,452.12-31,620.88

Finding the Fourth Proportional to 38,005.57, 52,452.12 and 31,620.88

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Solution

The fourth proportional to 38,005.57, 52,452.12 and 31,620.88 is: 43,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.57 : 52,452.12 = 31,620.88 : x
  2. Step 2: Convert to fraction form
    38,005.57/52,452.12 = 31,620.88/x
  3. Step 3: Cross multiply
    38,005.57x = 52,452.12 × 31,620.88
  4. Step 4: Simplify right side
    38,005.57x = 1,658,582,376.41
  5. Step 5: Solve for x
    x = 1,658,582,376.41/38,005.57
  6. Step 6: Final answer
    x = 43,640.51

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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.