Home / 31,794.28-47,681.70-21,996.52

Finding the Fourth Proportional to 31,794.28, 47,681.70 and 21,996.52

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Solution

The fourth proportional to 31,794.28, 47,681.70 and 21,996.52 is: 32,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.28 : 47,681.70 = 21,996.52 : x
  2. Step 2: Convert to fraction form
    31,794.28/47,681.70 = 21,996.52/x
  3. Step 3: Cross multiply
    31,794.28x = 47,681.70 × 21,996.52
  4. Step 4: Simplify right side
    31,794.28x = 1,048,831,467.68
  5. Step 5: Solve for x
    x = 1,048,831,467.68/31,794.28
  6. Step 6: Final answer
    x = 32,988.06

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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.