Home / 31,049.55-42,848.37-16,902.39

Finding the Fourth Proportional to 31,049.55, 42,848.37 and 16,902.39

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Solution

The fourth proportional to 31,049.55, 42,848.37 and 16,902.39 is: 23,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.55 : 42,848.37 = 16,902.39 : x
  2. Step 2: Convert to fraction form
    31,049.55/42,848.37 = 16,902.39/x
  3. Step 3: Cross multiply
    31,049.55x = 42,848.37 × 16,902.39
  4. Step 4: Simplify right side
    31,049.55x = 724,239,860.60
  5. Step 5: Solve for x
    x = 724,239,860.60/31,049.55
  6. Step 6: Final answer
    x = 23,325.29

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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.