Home / 55,731.15-76,908.98-31,858.36

Finding the Fourth Proportional to 55,731.15, 76,908.98 and 31,858.36

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Solution

The fourth proportional to 55,731.15, 76,908.98 and 31,858.36 is: 43,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.15 : 76,908.98 = 31,858.36 : x
  2. Step 2: Convert to fraction form
    55,731.15/76,908.98 = 31,858.36/x
  3. Step 3: Cross multiply
    55,731.15x = 76,908.98 × 31,858.36
  4. Step 4: Simplify right side
    55,731.15x = 2,450,193,859.45
  5. Step 5: Solve for x
    x = 2,450,193,859.45/55,731.15
  6. Step 6: Final answer
    x = 43,964.53

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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.