Home / 30,079.41-41,510.17-16,650.28

Finding the Fourth Proportional to 30,079.41, 41,510.17 and 16,650.28

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Solution

The fourth proportional to 30,079.41, 41,510.17 and 16,650.28 is: 22,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.41 : 41,510.17 = 16,650.28 : x
  2. Step 2: Convert to fraction form
    30,079.41/41,510.17 = 16,650.28/x
  3. Step 3: Cross multiply
    30,079.41x = 41,510.17 × 16,650.28
  4. Step 4: Simplify right side
    30,079.41x = 691,155,953.35
  5. Step 5: Solve for x
    x = 691,155,953.35/30,079.41
  6. Step 6: Final answer
    x = 22,977.71

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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.