Home / 55,730.09-76,912.92-31,852.22

Finding the Fourth Proportional to 55,730.09, 76,912.92 and 31,852.22

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Solution

The fourth proportional to 55,730.09, 76,912.92 and 31,852.22 is: 43,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730.09 : 76,912.92 = 31,852.22 : x
  2. Step 2: Convert to fraction form
    55,730.09/76,912.92 = 31,852.22/x
  3. Step 3: Cross multiply
    55,730.09x = 76,912.92 × 31,852.22
  4. Step 4: Simplify right side
    55,730.09x = 2,449,846,864.12
  5. Step 5: Solve for x
    x = 2,449,846,864.12/55,730.09
  6. Step 6: Final answer
    x = 43,959.14

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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.