Home / 34,766.64-47,974.34-21,338.46

Finding the Fourth Proportional to 34,766.64, 47,974.34 and 21,338.46

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Solution

The fourth proportional to 34,766.64, 47,974.34 and 21,338.46 is: 29,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,766.64 : 47,974.34 = 21,338.46 : x
  2. Step 2: Convert to fraction form
    34,766.64/47,974.34 = 21,338.46/x
  3. Step 3: Cross multiply
    34,766.64x = 47,974.34 × 21,338.46
  4. Step 4: Simplify right side
    34,766.64x = 1,023,698,535.12
  5. Step 5: Solve for x
    x = 1,023,698,535.12/34,766.64
  6. Step 6: Final answer
    x = 29,444.85

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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.