Home / 34,700.71-47,884.10-20,359.05

Finding the Fourth Proportional to 34,700.71, 47,884.10 and 20,359.05

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Solution

The fourth proportional to 34,700.71, 47,884.10 and 20,359.05 is: 28,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.71 : 47,884.10 = 20,359.05 : x
  2. Step 2: Convert to fraction form
    34,700.71/47,884.10 = 20,359.05/x
  3. Step 3: Cross multiply
    34,700.71x = 47,884.10 × 20,359.05
  4. Step 4: Simplify right side
    34,700.71x = 974,874,504.74
  5. Step 5: Solve for x
    x = 974,874,504.74/34,700.71
  6. Step 6: Final answer
    x = 28,093.79

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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.