Home / 49,285.40-73,928.10-39,443.90

Finding the Fourth Proportional to 49,285.40, 73,928.10 and 39,443.90

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Solution

The fourth proportional to 49,285.40, 73,928.10 and 39,443.90 is: 59,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285.40 : 73,928.10 = 39,443.90 : x
  2. Step 2: Convert to fraction form
    49,285.40/73,928.10 = 39,443.90/x
  3. Step 3: Cross multiply
    49,285.40x = 73,928.10 × 39,443.90
  4. Step 4: Simplify right side
    49,285.40x = 2,916,012,583.59
  5. Step 5: Solve for x
    x = 2,916,012,583.59/49,285.40
  6. Step 6: Final answer
    x = 59,165.85

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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.