Home / 22,431.42-30,939.45-14,765.46

Finding the Fourth Proportional to 22,431.42, 30,939.45 and 14,765.46

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Solution

The fourth proportional to 22,431.42, 30,939.45 and 14,765.46 is: 20,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.42 : 30,939.45 = 14,765.46 : x
  2. Step 2: Convert to fraction form
    22,431.42/30,939.45 = 14,765.46/x
  3. Step 3: Cross multiply
    22,431.42x = 30,939.45 × 14,765.46
  4. Step 4: Simplify right side
    22,431.42x = 456,835,211.40
  5. Step 5: Solve for x
    x = 456,835,211.40/22,431.42
  6. Step 6: Final answer
    x = 20,365.86

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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.