Home / 30,165.16-45,150.54-16,105.18

Finding the Fourth Proportional to 30,165.16, 45,150.54 and 16,105.18

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Solution

The fourth proportional to 30,165.16, 45,150.54 and 16,105.18 is: 24,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.16 : 45,150.54 = 16,105.18 : x
  2. Step 2: Convert to fraction form
    30,165.16/45,150.54 = 16,105.18/x
  3. Step 3: Cross multiply
    30,165.16x = 45,150.54 × 16,105.18
  4. Step 4: Simplify right side
    30,165.16x = 727,157,573.80
  5. Step 5: Solve for x
    x = 727,157,573.80/30,165.16
  6. Step 6: Final answer
    x = 24,105.87

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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.