Home / 51,813.64-71,508.36-31,682.32

Finding the Fourth Proportional to 51,813.64, 71,508.36 and 31,682.32

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Solution

The fourth proportional to 51,813.64, 71,508.36 and 31,682.32 is: 43,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,813.64 : 71,508.36 = 31,682.32 : x
  2. Step 2: Convert to fraction form
    51,813.64/71,508.36 = 31,682.32/x
  3. Step 3: Cross multiply
    51,813.64x = 71,508.36 × 31,682.32
  4. Step 4: Simplify right side
    51,813.64x = 2,265,550,744.20
  5. Step 5: Solve for x
    x = 2,265,550,744.20/51,813.64
  6. Step 6: Final answer
    x = 43,724.99

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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.