Home / 55,297.84-76,318.92-31,419.76

Finding the Fourth Proportional to 55,297.84, 76,318.92 and 31,419.76

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Solution

The fourth proportional to 55,297.84, 76,318.92 and 31,419.76 is: 43,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.84 : 76,318.92 = 31,419.76 : x
  2. Step 2: Convert to fraction form
    55,297.84/76,318.92 = 31,419.76/x
  3. Step 3: Cross multiply
    55,297.84x = 76,318.92 × 31,419.76
  4. Step 4: Simplify right side
    55,297.84x = 2,397,922,149.86
  5. Step 5: Solve for x
    x = 2,397,922,149.86/55,297.84
  6. Step 6: Final answer
    x = 43,363.76

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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.