Home / 34,780.51-52,178.87-11,405.53

Finding the Fourth Proportional to 34,780.51, 52,178.87 and 11,405.53

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Solution

The fourth proportional to 34,780.51, 52,178.87 and 11,405.53 is: 17,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.51 : 52,178.87 = 11,405.53 : x
  2. Step 2: Convert to fraction form
    34,780.51/52,178.87 = 11,405.53/x
  3. Step 3: Cross multiply
    34,780.51x = 52,178.87 × 11,405.53
  4. Step 4: Simplify right side
    34,780.51x = 595,127,667.15
  5. Step 5: Solve for x
    x = 595,127,667.15/34,780.51
  6. Step 6: Final answer
    x = 17,110.95

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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.