Home / 55,280.77-76,286.83-31,406.93

Finding the Fourth Proportional to 55,280.77, 76,286.83 and 31,406.93

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Solution

The fourth proportional to 55,280.77, 76,286.83 and 31,406.93 is: 43,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.77 : 76,286.83 = 31,406.93 : x
  2. Step 2: Convert to fraction form
    55,280.77/76,286.83 = 31,406.93/x
  3. Step 3: Cross multiply
    55,280.77x = 76,286.83 × 31,406.93
  4. Step 4: Simplify right side
    55,280.77x = 2,395,934,972.70
  5. Step 5: Solve for x
    x = 2,395,934,972.70/55,280.77
  6. Step 6: Final answer
    x = 43,341.21

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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.