Home / 39,185.64-58,770.60-19,186.52

Finding the Fourth Proportional to 39,185.64, 58,770.60 and 19,186.52

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Solution

The fourth proportional to 39,185.64, 58,770.60 and 19,186.52 is: 28,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185.64 : 58,770.60 = 19,186.52 : x
  2. Step 2: Convert to fraction form
    39,185.64/58,770.60 = 19,186.52/x
  3. Step 3: Cross multiply
    39,185.64x = 58,770.60 × 19,186.52
  4. Step 4: Simplify right side
    39,185.64x = 1,127,602,998.46
  5. Step 5: Solve for x
    x = 1,127,602,998.46/39,185.64
  6. Step 6: Final answer
    x = 28,775.92

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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.