Home / 34,766.38-47,985.90-20,627.42

Finding the Fourth Proportional to 34,766.38, 47,985.90 and 20,627.42

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Solution

The fourth proportional to 34,766.38, 47,985.90 and 20,627.42 is: 28,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,766.38 : 47,985.90 = 20,627.42 : x
  2. Step 2: Convert to fraction form
    34,766.38/47,985.90 = 20,627.42/x
  3. Step 3: Cross multiply
    34,766.38x = 47,985.90 × 20,627.42
  4. Step 4: Simplify right side
    34,766.38x = 989,825,313.38
  5. Step 5: Solve for x
    x = 989,825,313.38/34,766.38
  6. Step 6: Final answer
    x = 28,470.77

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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.