Home / 34,949.28-48,219.12-19,840.80

Finding the Fourth Proportional to 34,949.28, 48,219.12 and 19,840.80

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Solution

The fourth proportional to 34,949.28, 48,219.12 and 19,840.80 is: 27,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,949.28 : 48,219.12 = 19,840.80 : x
  2. Step 2: Convert to fraction form
    34,949.28/48,219.12 = 19,840.80/x
  3. Step 3: Cross multiply
    34,949.28x = 48,219.12 × 19,840.80
  4. Step 4: Simplify right side
    34,949.28x = 956,705,916.10
  5. Step 5: Solve for x
    x = 956,705,916.10/34,949.28
  6. Step 6: Final answer
    x = 27,374.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.