Home / 52,283.29-78,431.61-19,019.02

Finding the Fourth Proportional to 52,283.29, 78,431.61 and 19,019.02

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Solution

The fourth proportional to 52,283.29, 78,431.61 and 19,019.02 is: 28,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,283.29 : 78,431.61 = 19,019.02 : x
  2. Step 2: Convert to fraction form
    52,283.29/78,431.61 = 19,019.02/x
  3. Step 3: Cross multiply
    52,283.29x = 78,431.61 × 19,019.02
  4. Step 4: Simplify right side
    52,283.29x = 1,491,691,967.06
  5. Step 5: Solve for x
    x = 1,491,691,967.06/52,283.29
  6. Step 6: Final answer
    x = 28,530.95

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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.