Home / 56,401.56-77,836.68-31,249.44

Finding the Fourth Proportional to 56,401.56, 77,836.68 and 31,249.44

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Solution

The fourth proportional to 56,401.56, 77,836.68 and 31,249.44 is: 43,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.56 : 77,836.68 = 31,249.44 : x
  2. Step 2: Convert to fraction form
    56,401.56/77,836.68 = 31,249.44/x
  3. Step 3: Cross multiply
    56,401.56x = 77,836.68 × 31,249.44
  4. Step 4: Simplify right side
    56,401.56x = 2,432,352,661.46
  5. Step 5: Solve for x
    x = 2,432,352,661.46/56,401.56
  6. Step 6: Final answer
    x = 43,125.63

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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.