Home / 30,995.92-42,772.62-16,848.66

Finding the Fourth Proportional to 30,995.92, 42,772.62 and 16,848.66

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Solution

The fourth proportional to 30,995.92, 42,772.62 and 16,848.66 is: 23,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.92 : 42,772.62 = 16,848.66 : x
  2. Step 2: Convert to fraction form
    30,995.92/42,772.62 = 16,848.66/x
  3. Step 3: Cross multiply
    30,995.92x = 42,772.62 × 16,848.66
  4. Step 4: Simplify right side
    30,995.92x = 720,661,331.69
  5. Step 5: Solve for x
    x = 720,661,331.69/30,995.92
  6. Step 6: Final answer
    x = 23,250.20

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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.