Home / 49,805.40-74,708.10-46,003.80

Finding the Fourth Proportional to 49,805.40, 74,708.10 and 46,003.80

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Solution

The fourth proportional to 49,805.40, 74,708.10 and 46,003.80 is: 69,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.40 : 74,708.10 = 46,003.80 : x
  2. Step 2: Convert to fraction form
    49,805.40/74,708.10 = 46,003.80/x
  3. Step 3: Cross multiply
    49,805.40x = 74,708.10 × 46,003.80
  4. Step 4: Simplify right side
    49,805.40x = 3,436,856,490.78
  5. Step 5: Solve for x
    x = 3,436,856,490.78/49,805.40
  6. Step 6: Final answer
    x = 69,005.70

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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.