Home / 31,903.50-47,855.66-11,127

Finding the Fourth Proportional to 31,903.50, 47,855.66 and 11,127

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Solution

The fourth proportional to 31,903.50, 47,855.66 and 11,127 is: 16,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.50 : 47,855.66 = 11,127 : x
  2. Step 2: Convert to fraction form
    31,903.50/47,855.66 = 11,127/x
  3. Step 3: Cross multiply
    31,903.50x = 47,855.66 × 11,127
  4. Step 4: Simplify right side
    31,903.50x = 532,489,928.82
  5. Step 5: Solve for x
    x = 532,489,928.82/31,903.50
  6. Step 6: Final answer
    x = 16,690.64

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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.