Home / 35,774.61-53,667.78-12,079.90

Finding the Fourth Proportional to 35,774.61, 53,667.78 and 12,079.90

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Solution

The fourth proportional to 35,774.61, 53,667.78 and 12,079.90 is: 18,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.61 : 53,667.78 = 12,079.90 : x
  2. Step 2: Convert to fraction form
    35,774.61/53,667.78 = 12,079.90/x
  3. Step 3: Cross multiply
    35,774.61x = 53,667.78 × 12,079.90
  4. Step 4: Simplify right side
    35,774.61x = 648,301,415.62
  5. Step 5: Solve for x
    x = 648,301,415.62/35,774.61
  6. Step 6: Final answer
    x = 18,121.83

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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.