Home / 34,404.06-47,486.07-20,982.72

Finding the Fourth Proportional to 34,404.06, 47,486.07 and 20,982.72

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Solution

The fourth proportional to 34,404.06, 47,486.07 and 20,982.72 is: 28,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,404.06 : 47,486.07 = 20,982.72 : x
  2. Step 2: Convert to fraction form
    34,404.06/47,486.07 = 20,982.72/x
  3. Step 3: Cross multiply
    34,404.06x = 47,486.07 × 20,982.72
  4. Step 4: Simplify right side
    34,404.06x = 996,386,910.71
  5. Step 5: Solve for x
    x = 996,386,910.71/34,404.06
  6. Step 6: Final answer
    x = 28,961.32

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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.