Home / 55,785.40-83,678.10-33,623.80

Finding the Fourth Proportional to 55,785.40, 83,678.10 and 33,623.80

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Solution

The fourth proportional to 55,785.40, 83,678.10 and 33,623.80 is: 50,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.40 : 83,678.10 = 33,623.80 : x
  2. Step 2: Convert to fraction form
    55,785.40/83,678.10 = 33,623.80/x
  3. Step 3: Cross multiply
    55,785.40x = 83,678.10 × 33,623.80
  4. Step 4: Simplify right side
    55,785.40x = 2,813,575,698.78
  5. Step 5: Solve for x
    x = 2,813,575,698.78/55,785.40
  6. Step 6: Final answer
    x = 50,435.70

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