Home / 34,404.23-47,478.32-20,790.41

Finding the Fourth Proportional to 34,404.23, 47,478.32 and 20,790.41

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Solution

The fourth proportional to 34,404.23, 47,478.32 and 20,790.41 is: 28,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,404.23 : 47,478.32 = 20,790.41 : x
  2. Step 2: Convert to fraction form
    34,404.23/47,478.32 = 20,790.41/x
  3. Step 3: Cross multiply
    34,404.23x = 47,478.32 × 20,790.41
  4. Step 4: Simplify right side
    34,404.23x = 987,093,397.57
  5. Step 5: Solve for x
    x = 987,093,397.57/34,404.23
  6. Step 6: Final answer
    x = 28,691.05

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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.