Home / 51,156.22-76,782.32-31,473.22

Finding the Fourth Proportional to 51,156.22, 76,782.32 and 31,473.22

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Solution

The fourth proportional to 51,156.22, 76,782.32 and 31,473.22 is: 47,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156.22 : 76,782.32 = 31,473.22 : x
  2. Step 2: Convert to fraction form
    51,156.22/76,782.32 = 31,473.22/x
  3. Step 3: Cross multiply
    51,156.22x = 76,782.32 × 31,473.22
  4. Step 4: Simplify right side
    51,156.22x = 2,416,586,308.19
  5. Step 5: Solve for x
    x = 2,416,586,308.19/51,156.22
  6. Step 6: Final answer
    x = 47,239.35

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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.