Home / 30,995.38-42,773.68-16,848.18

Finding the Fourth Proportional to 30,995.38, 42,773.68 and 16,848.18

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Solution

The fourth proportional to 30,995.38, 42,773.68 and 16,848.18 is: 23,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.38 : 42,773.68 = 16,848.18 : x
  2. Step 2: Convert to fraction form
    30,995.38/42,773.68 = 16,848.18/x
  3. Step 3: Cross multiply
    30,995.38x = 42,773.68 × 16,848.18
  4. Step 4: Simplify right side
    30,995.38x = 720,658,659.90
  5. Step 5: Solve for x
    x = 720,658,659.90/30,995.38
  6. Step 6: Final answer
    x = 23,250.52

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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.