Home / 40,285.76-60,299.24-21,518.87

Finding the Fourth Proportional to 40,285.76, 60,299.24 and 21,518.87

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Solution

The fourth proportional to 40,285.76, 60,299.24 and 21,518.87 is: 32,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.76 : 60,299.24 = 21,518.87 : x
  2. Step 2: Convert to fraction form
    40,285.76/60,299.24 = 21,518.87/x
  3. Step 3: Cross multiply
    40,285.76x = 60,299.24 × 21,518.87
  4. Step 4: Simplify right side
    40,285.76x = 1,297,571,097.57
  5. Step 5: Solve for x
    x = 1,297,571,097.57/40,285.76
  6. Step 6: Final answer
    x = 32,209.18

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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.