Home / 31,838.40-47,764.53-11,844.77

Finding the Fourth Proportional to 31,838.40, 47,764.53 and 11,844.77

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Solution

The fourth proportional to 31,838.40, 47,764.53 and 11,844.77 is: 17,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.40 : 47,764.53 = 11,844.77 : x
  2. Step 2: Convert to fraction form
    31,838.40/47,764.53 = 11,844.77/x
  3. Step 3: Cross multiply
    31,838.40x = 47,764.53 × 11,844.77
  4. Step 4: Simplify right side
    31,838.40x = 565,759,991.42
  5. Step 5: Solve for x
    x = 565,759,991.42/31,838.40
  6. Step 6: Final answer
    x = 17,769.74

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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.