Home / 63,084.40-94,646.31-18,711.40

Finding the Fourth Proportional to 63,084.40, 94,646.31 and 18,711.40

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Solution

The fourth proportional to 63,084.40, 94,646.31 and 18,711.40 is: 28,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.40 : 94,646.31 = 18,711.40 : x
  2. Step 2: Convert to fraction form
    63,084.40/94,646.31 = 18,711.40/x
  3. Step 3: Cross multiply
    63,084.40x = 94,646.31 × 18,711.40
  4. Step 4: Simplify right side
    63,084.40x = 1,770,964,964.93
  5. Step 5: Solve for x
    x = 1,770,964,964.93/63,084.40
  6. Step 6: Final answer
    x = 28,072.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.