Home / 56,257.76-77,635.60-31,107.24

Finding the Fourth Proportional to 56,257.76, 77,635.60 and 31,107.24

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Solution

The fourth proportional to 56,257.76, 77,635.60 and 31,107.24 is: 42,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,257.76 : 77,635.60 = 31,107.24 : x
  2. Step 2: Convert to fraction form
    56,257.76/77,635.60 = 31,107.24/x
  3. Step 3: Cross multiply
    56,257.76x = 77,635.60 × 31,107.24
  4. Step 4: Simplify right side
    56,257.76x = 2,415,029,241.74
  5. Step 5: Solve for x
    x = 2,415,029,241.74/56,257.76
  6. Step 6: Final answer
    x = 42,927.93

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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.