Home / 43,222.55-59,667.03-30,486.11

Finding the Fourth Proportional to 43,222.55, 59,667.03 and 30,486.11

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Solution

The fourth proportional to 43,222.55, 59,667.03 and 30,486.11 is: 42,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.55 : 59,667.03 = 30,486.11 : x
  2. Step 2: Convert to fraction form
    43,222.55/59,667.03 = 30,486.11/x
  3. Step 3: Cross multiply
    43,222.55x = 59,667.03 × 30,486.11
  4. Step 4: Simplify right side
    43,222.55x = 1,819,015,341.62
  5. Step 5: Solve for x
    x = 1,819,015,341.62/43,222.55
  6. Step 6: Final answer
    x = 42,084.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.