Home / 38,506.15-53,138.05-22,587.54

Finding the Fourth Proportional to 38,506.15, 53,138.05 and 22,587.54

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Solution

The fourth proportional to 38,506.15, 53,138.05 and 22,587.54 is: 31,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.15 : 53,138.05 = 22,587.54 : x
  2. Step 2: Convert to fraction form
    38,506.15/53,138.05 = 22,587.54/x
  3. Step 3: Cross multiply
    38,506.15x = 53,138.05 × 22,587.54
  4. Step 4: Simplify right side
    38,506.15x = 1,200,257,829.90
  5. Step 5: Solve for x
    x = 1,200,257,829.90/38,506.15
  6. Step 6: Final answer
    x = 31,170.55

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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.