Home / 34,921.40-48,195.56-20,774.12

Finding the Fourth Proportional to 34,921.40, 48,195.56 and 20,774.12

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Solution

The fourth proportional to 34,921.40, 48,195.56 and 20,774.12 is: 28,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921.40 : 48,195.56 = 20,774.12 : x
  2. Step 2: Convert to fraction form
    34,921.40/48,195.56 = 20,774.12/x
  3. Step 3: Cross multiply
    34,921.40x = 48,195.56 × 20,774.12
  4. Step 4: Simplify right side
    34,921.40x = 1,001,220,346.91
  5. Step 5: Solve for x
    x = 1,001,220,346.91/34,921.40
  6. Step 6: Final answer
    x = 28,670.68

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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.