Home / 38,461.34-57,657.72-20,701.54

Finding the Fourth Proportional to 38,461.34, 57,657.72 and 20,701.54

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Solution

The fourth proportional to 38,461.34, 57,657.72 and 20,701.54 is: 31,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.34 : 57,657.72 = 20,701.54 : x
  2. Step 2: Convert to fraction form
    38,461.34/57,657.72 = 20,701.54/x
  3. Step 3: Cross multiply
    38,461.34x = 57,657.72 × 20,701.54
  4. Step 4: Simplify right side
    38,461.34x = 1,193,603,596.89
  5. Step 5: Solve for x
    x = 1,193,603,596.89/38,461.34
  6. Step 6: Final answer
    x = 31,033.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.