Home / 31,467.90-47,202.48-11,742.53

Finding the Fourth Proportional to 31,467.90, 47,202.48 and 11,742.53

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Solution

The fourth proportional to 31,467.90, 47,202.48 and 11,742.53 is: 17,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.90 : 47,202.48 = 11,742.53 : x
  2. Step 2: Convert to fraction form
    31,467.90/47,202.48 = 11,742.53/x
  3. Step 3: Cross multiply
    31,467.90x = 47,202.48 × 11,742.53
  4. Step 4: Simplify right side
    31,467.90x = 554,276,301.46
  5. Step 5: Solve for x
    x = 554,276,301.46/31,467.90
  6. Step 6: Final answer
    x = 17,614.02

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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.