Home / 30,152.50-41,610.17-16,723.78

Finding the Fourth Proportional to 30,152.50, 41,610.17 and 16,723.78

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Solution

The fourth proportional to 30,152.50, 41,610.17 and 16,723.78 is: 23,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.50 : 41,610.17 = 16,723.78 : x
  2. Step 2: Convert to fraction form
    30,152.50/41,610.17 = 16,723.78/x
  3. Step 3: Cross multiply
    30,152.50x = 41,610.17 × 16,723.78
  4. Step 4: Simplify right side
    30,152.50x = 695,879,266.63
  5. Step 5: Solve for x
    x = 695,879,266.63/30,152.50
  6. Step 6: Final answer
    x = 23,078.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.