Home / 23,160.78-34,740.90-5,630.58

Finding the Fourth Proportional to 23,160.78, 34,740.90 and 5,630.58

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Solution

The fourth proportional to 23,160.78, 34,740.90 and 5,630.58 is: 8,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.78 : 34,740.90 = 5,630.58 : x
  2. Step 2: Convert to fraction form
    23,160.78/34,740.90 = 5,630.58/x
  3. Step 3: Cross multiply
    23,160.78x = 34,740.90 × 5,630.58
  4. Step 4: Simplify right side
    23,160.78x = 195,611,416.72
  5. Step 5: Solve for x
    x = 195,611,416.72/23,160.78
  6. Step 6: Final answer
    x = 8,445.80

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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.