Home / 56,257.56-77,633.34-31,107.48

Finding the Fourth Proportional to 56,257.56, 77,633.34 and 31,107.48

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Solution

The fourth proportional to 56,257.56, 77,633.34 and 31,107.48 is: 42,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,257.56 : 77,633.34 = 31,107.48 : x
  2. Step 2: Convert to fraction form
    56,257.56/77,633.34 = 31,107.48/x
  3. Step 3: Cross multiply
    56,257.56x = 77,633.34 × 31,107.48
  4. Step 4: Simplify right side
    56,257.56x = 2,414,977,571.38
  5. Step 5: Solve for x
    x = 2,414,977,571.38/56,257.56
  6. Step 6: Final answer
    x = 42,927.17

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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.