Home / 31,835.56-47,767.14-12,119.72

Finding the Fourth Proportional to 31,835.56, 47,767.14 and 12,119.72

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Solution

The fourth proportional to 31,835.56, 47,767.14 and 12,119.72 is: 18,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.56 : 47,767.14 = 12,119.72 : x
  2. Step 2: Convert to fraction form
    31,835.56/47,767.14 = 12,119.72/x
  3. Step 3: Cross multiply
    31,835.56x = 47,767.14 × 12,119.72
  4. Step 4: Simplify right side
    31,835.56x = 578,924,362.00
  5. Step 5: Solve for x
    x = 578,924,362.00/31,835.56
  6. Step 6: Final answer
    x = 18,184.83

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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.