Home / 55,767.78-83,586.84-20,685.06

Finding the Fourth Proportional to 55,767.78, 83,586.84 and 20,685.06

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Solution

The fourth proportional to 55,767.78, 83,586.84 and 20,685.06 is: 31,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.78 : 83,586.84 = 20,685.06 : x
  2. Step 2: Convert to fraction form
    55,767.78/83,586.84 = 20,685.06/x
  3. Step 3: Cross multiply
    55,767.78x = 83,586.84 × 20,685.06
  4. Step 4: Simplify right side
    55,767.78x = 1,728,998,800.61
  5. Step 5: Solve for x
    x = 1,728,998,800.61/55,767.78
  6. Step 6: Final answer
    x = 31,003.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.