Home / 34,715.50-47,907.31-18,799.90

Finding the Fourth Proportional to 34,715.50, 47,907.31 and 18,799.90

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Solution

The fourth proportional to 34,715.50, 47,907.31 and 18,799.90 is: 25,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.50 : 47,907.31 = 18,799.90 : x
  2. Step 2: Convert to fraction form
    34,715.50/47,907.31 = 18,799.90/x
  3. Step 3: Cross multiply
    34,715.50x = 47,907.31 × 18,799.90
  4. Step 4: Simplify right side
    34,715.50x = 900,652,397.73
  5. Step 5: Solve for x
    x = 900,652,397.73/34,715.50
  6. Step 6: Final answer
    x = 25,943.82

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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.