Home / 40,277.20-60,430.20-16,910.80

Finding the Fourth Proportional to 40,277.20, 60,430.20 and 16,910.80

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Solution

The fourth proportional to 40,277.20, 60,430.20 and 16,910.80 is: 25,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.20 : 60,430.20 = 16,910.80 : x
  2. Step 2: Convert to fraction form
    40,277.20/60,430.20 = 16,910.80/x
  3. Step 3: Cross multiply
    40,277.20x = 60,430.20 × 16,910.80
  4. Step 4: Simplify right side
    40,277.20x = 1,021,923,026.16
  5. Step 5: Solve for x
    x = 1,021,923,026.16/40,277.20
  6. Step 6: Final answer
    x = 25,372.25

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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.