Home / 55,666.53-76,820.73-30,173.70

Finding the Fourth Proportional to 55,666.53, 76,820.73 and 30,173.70

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Solution

The fourth proportional to 55,666.53, 76,820.73 and 30,173.70 is: 41,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.53 : 76,820.73 = 30,173.70 : x
  2. Step 2: Convert to fraction form
    55,666.53/76,820.73 = 30,173.70/x
  3. Step 3: Cross multiply
    55,666.53x = 76,820.73 × 30,173.70
  4. Step 4: Simplify right side
    55,666.53x = 2,317,965,660.80
  5. Step 5: Solve for x
    x = 2,317,965,660.80/55,666.53
  6. Step 6: Final answer
    x = 41,640.20

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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.