Home / 56,101.44-77,420.88-30,950.96

Finding the Fourth Proportional to 56,101.44, 77,420.88 and 30,950.96

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Solution

The fourth proportional to 56,101.44, 77,420.88 and 30,950.96 is: 42,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.44 : 77,420.88 = 30,950.96 : x
  2. Step 2: Convert to fraction form
    56,101.44/77,420.88 = 30,950.96/x
  3. Step 3: Cross multiply
    56,101.44x = 77,420.88 × 30,950.96
  4. Step 4: Simplify right side
    56,101.44x = 2,396,250,560.04
  5. Step 5: Solve for x
    x = 2,396,250,560.04/56,101.44
  6. Step 6: Final answer
    x = 42,712.82

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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.