Home / 69,017.90-103,526.71-19,097.85

Finding the Fourth Proportional to 69,017.90, 103,526.71 and 19,097.85

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Solution

The fourth proportional to 69,017.90, 103,526.71 and 19,097.85 is: 28,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,017.90 : 103,526.71 = 19,097.85 : x
  2. Step 2: Convert to fraction form
    69,017.90/103,526.71 = 19,097.85/x
  3. Step 3: Cross multiply
    69,017.90x = 103,526.71 × 19,097.85
  4. Step 4: Simplify right side
    69,017.90x = 1,977,137,919.05
  5. Step 5: Solve for x
    x = 1,977,137,919.05/69,017.90
  6. Step 6: Final answer
    x = 28,646.74

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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.