Home / 69,073.11-103,599.36-19,148.00

Finding the Fourth Proportional to 69,073.11, 103,599.36 and 19,148.00

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Solution

The fourth proportional to 69,073.11, 103,599.36 and 19,148.00 is: 28,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.11 : 103,599.36 = 19,148.00 : x
  2. Step 2: Convert to fraction form
    69,073.11/103,599.36 = 19,148.00/x
  3. Step 3: Cross multiply
    69,073.11x = 103,599.36 × 19,148.00
  4. Step 4: Simplify right side
    69,073.11x = 1,983,720,027.28
  5. Step 5: Solve for x
    x = 1,983,720,027.28/69,073.11
  6. Step 6: Final answer
    x = 28,719.14

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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.