Home / 30,039.20-41,454.81-16,610.72

Finding the Fourth Proportional to 30,039.20, 41,454.81 and 16,610.72

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Solution

The fourth proportional to 30,039.20, 41,454.81 and 16,610.72 is: 22,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.20 : 41,454.81 = 16,610.72 : x
  2. Step 2: Convert to fraction form
    30,039.20/41,454.81 = 16,610.72/x
  3. Step 3: Cross multiply
    30,039.20x = 41,454.81 × 16,610.72
  4. Step 4: Simplify right side
    30,039.20x = 688,594,314.19
  5. Step 5: Solve for x
    x = 688,594,314.19/30,039.20
  6. Step 6: Final answer
    x = 22,923.19

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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.