Home / 23,056.80-34,585.20-20,140.80

Finding the Fourth Proportional to 23,056.80, 34,585.20 and 20,140.80

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Solution

The fourth proportional to 23,056.80, 34,585.20 and 20,140.80 is: 30,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,056.80 : 34,585.20 = 20,140.80 : x
  2. Step 2: Convert to fraction form
    23,056.80/34,585.20 = 20,140.80/x
  3. Step 3: Cross multiply
    23,056.80x = 34,585.20 × 20,140.80
  4. Step 4: Simplify right side
    23,056.80x = 696,573,596.16
  5. Step 5: Solve for x
    x = 696,573,596.16/23,056.80
  6. Step 6: Final answer
    x = 30,211.20

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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.