Home / 51,479.40-77,219.10-49,511.10

Finding the Fourth Proportional to 51,479.40, 77,219.10 and 49,511.10

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Solution

The fourth proportional to 51,479.40, 77,219.10 and 49,511.10 is: 74,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.40 : 77,219.10 = 49,511.10 : x
  2. Step 2: Convert to fraction form
    51,479.40/77,219.10 = 49,511.10/x
  3. Step 3: Cross multiply
    51,479.40x = 77,219.10 × 49,511.10
  4. Step 4: Simplify right side
    51,479.40x = 3,823,202,582.01
  5. Step 5: Solve for x
    x = 3,823,202,582.01/51,479.40
  6. Step 6: Final answer
    x = 74,266.65

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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.