Home / 58,846.25-81,208.11-31,988.75

Finding the Fourth Proportional to 58,846.25, 81,208.11 and 31,988.75

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Solution

The fourth proportional to 58,846.25, 81,208.11 and 31,988.75 is: 44,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.25 : 81,208.11 = 31,988.75 : x
  2. Step 2: Convert to fraction form
    58,846.25/81,208.11 = 31,988.75/x
  3. Step 3: Cross multiply
    58,846.25x = 81,208.11 × 31,988.75
  4. Step 4: Simplify right side
    58,846.25x = 2,597,745,928.76
  5. Step 5: Solve for x
    x = 2,597,745,928.76/58,846.25
  6. Step 6: Final answer
    x = 44,144.63

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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.