Home / 69,047.30-103,554.11-19,126.10

Finding the Fourth Proportional to 69,047.30, 103,554.11 and 19,126.10

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Solution

The fourth proportional to 69,047.30, 103,554.11 and 19,126.10 is: 28,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,047.30 : 103,554.11 = 19,126.10 : x
  2. Step 2: Convert to fraction form
    69,047.30/103,554.11 = 19,126.10/x
  3. Step 3: Cross multiply
    69,047.30x = 103,554.11 × 19,126.10
  4. Step 4: Simplify right side
    69,047.30x = 1,980,585,793.32
  5. Step 5: Solve for x
    x = 1,980,585,793.32/69,047.30
  6. Step 6: Final answer
    x = 28,684.48

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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.