Home / 38,470.80-57,706.20-23,631.60

Finding the Fourth Proportional to 38,470.80, 57,706.20 and 23,631.60

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Solution

The fourth proportional to 38,470.80, 57,706.20 and 23,631.60 is: 35,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.80 : 57,706.20 = 23,631.60 : x
  2. Step 2: Convert to fraction form
    38,470.80/57,706.20 = 23,631.60/x
  3. Step 3: Cross multiply
    38,470.80x = 57,706.20 × 23,631.60
  4. Step 4: Simplify right side
    38,470.80x = 1,363,689,835.92
  5. Step 5: Solve for x
    x = 1,363,689,835.92/38,470.80
  6. Step 6: Final answer
    x = 35,447.40

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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.