Home / 49,805.40-74,492.10-44,578.20

Finding the Fourth Proportional to 49,805.40, 74,492.10 and 44,578.20

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Solution

The fourth proportional to 49,805.40, 74,492.10 and 44,578.20 is: 66,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.40 : 74,492.10 = 44,578.20 : x
  2. Step 2: Convert to fraction form
    49,805.40/74,492.10 = 44,578.20/x
  3. Step 3: Cross multiply
    49,805.40x = 74,492.10 × 44,578.20
  4. Step 4: Simplify right side
    49,805.40x = 3,320,723,732.22
  5. Step 5: Solve for x
    x = 3,320,723,732.22/49,805.40
  6. Step 6: Final answer
    x = 66,673.97

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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.