Home / 34,314.84-47,359.49-20,893.95

Finding the Fourth Proportional to 34,314.84, 47,359.49 and 20,893.95

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Solution

The fourth proportional to 34,314.84, 47,359.49 and 20,893.95 is: 28,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,314.84 : 47,359.49 = 20,893.95 : x
  2. Step 2: Convert to fraction form
    34,314.84/47,359.49 = 20,893.95/x
  3. Step 3: Cross multiply
    34,314.84x = 47,359.49 × 20,893.95
  4. Step 4: Simplify right side
    34,314.84x = 989,526,711.62
  5. Step 5: Solve for x
    x = 989,526,711.62/34,314.84
  6. Step 6: Final answer
    x = 28,836.70

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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.