Home / 51,977.36-71,712.38-31,813.22

Finding the Fourth Proportional to 51,977.36, 71,712.38 and 31,813.22

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Solution

The fourth proportional to 51,977.36, 71,712.38 and 31,813.22 is: 43,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.36 : 71,712.38 = 31,813.22 : x
  2. Step 2: Convert to fraction form
    51,977.36/71,712.38 = 31,813.22/x
  3. Step 3: Cross multiply
    51,977.36x = 71,712.38 × 31,813.22
  4. Step 4: Simplify right side
    51,977.36x = 2,281,401,721.66
  5. Step 5: Solve for x
    x = 2,281,401,721.66/51,977.36
  6. Step 6: Final answer
    x = 43,892.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.