Home / 40,600.20-60,900.30-11,021.70

Finding the Fourth Proportional to 40,600.20, 60,900.30 and 11,021.70

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Solution

The fourth proportional to 40,600.20, 60,900.30 and 11,021.70 is: 16,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,600.20 : 60,900.30 = 11,021.70 : x
  2. Step 2: Convert to fraction form
    40,600.20/60,900.30 = 11,021.70/x
  3. Step 3: Cross multiply
    40,600.20x = 60,900.30 × 11,021.70
  4. Step 4: Simplify right side
    40,600.20x = 671,224,836.51
  5. Step 5: Solve for x
    x = 671,224,836.51/40,600.20
  6. Step 6: Final answer
    x = 16,532.55

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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.