Home / 40,763.70-61,145.55-11,181.75

Finding the Fourth Proportional to 40,763.70, 61,145.55 and 11,181.75

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Solution

The fourth proportional to 40,763.70, 61,145.55 and 11,181.75 is: 16,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.70 : 61,145.55 = 11,181.75 : x
  2. Step 2: Convert to fraction form
    40,763.70/61,145.55 = 11,181.75/x
  3. Step 3: Cross multiply
    40,763.70x = 61,145.55 × 11,181.75
  4. Step 4: Simplify right side
    40,763.70x = 683,714,253.71
  5. Step 5: Solve for x
    x = 683,714,253.71/40,763.70
  6. Step 6: Final answer
    x = 16,772.63

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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.