Home / 34,694.13-47,830.28-21,940.95

Finding the Fourth Proportional to 34,694.13, 47,830.28 and 21,940.95

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Solution

The fourth proportional to 34,694.13, 47,830.28 and 21,940.95 is: 30,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.13 : 47,830.28 = 21,940.95 : x
  2. Step 2: Convert to fraction form
    34,694.13/47,830.28 = 21,940.95/x
  3. Step 3: Cross multiply
    34,694.13x = 47,830.28 × 21,940.95
  4. Step 4: Simplify right side
    34,694.13x = 1,049,441,836.82
  5. Step 5: Solve for x
    x = 1,049,441,836.82/34,694.13
  6. Step 6: Final answer
    x = 30,248.40

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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.