Home / 40,310.42-60,479.07-14,021.78

Finding the Fourth Proportional to 40,310.42, 60,479.07 and 14,021.78

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Solution

The fourth proportional to 40,310.42, 60,479.07 and 14,021.78 is: 21,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.42 : 60,479.07 = 14,021.78 : x
  2. Step 2: Convert to fraction form
    40,310.42/60,479.07 = 14,021.78/x
  3. Step 3: Cross multiply
    40,310.42x = 60,479.07 × 14,021.78
  4. Step 4: Simplify right side
    40,310.42x = 848,024,214.14
  5. Step 5: Solve for x
    x = 848,024,214.14/40,310.42
  6. Step 6: Final answer
    x = 21,037.35

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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.