Home / 34,795.28-48,016.85-21,178.39

Finding the Fourth Proportional to 34,795.28, 48,016.85 and 21,178.39

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Solution

The fourth proportional to 34,795.28, 48,016.85 and 21,178.39 is: 29,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.28 : 48,016.85 = 21,178.39 : x
  2. Step 2: Convert to fraction form
    34,795.28/48,016.85 = 21,178.39/x
  3. Step 3: Cross multiply
    34,795.28x = 48,016.85 × 21,178.39
  4. Step 4: Simplify right side
    34,795.28x = 1,016,919,335.79
  5. Step 5: Solve for x
    x = 1,016,919,335.79/34,795.28
  6. Step 6: Final answer
    x = 29,225.79

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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.