Home / 34,569.12-51,865.83-19,790.40

Finding the Fourth Proportional to 34,569.12, 51,865.83 and 19,790.40

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Solution

The fourth proportional to 34,569.12, 51,865.83 and 19,790.40 is: 29,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,569.12 : 51,865.83 = 19,790.40 : x
  2. Step 2: Convert to fraction form
    34,569.12/51,865.83 = 19,790.40/x
  3. Step 3: Cross multiply
    34,569.12x = 51,865.83 × 19,790.40
  4. Step 4: Simplify right side
    34,569.12x = 1,026,445,522.03
  5. Step 5: Solve for x
    x = 1,026,445,522.03/34,569.12
  6. Step 6: Final answer
    x = 29,692.56

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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.