Home / 31,330.01-43,231.43-17,902.14

Finding the Fourth Proportional to 31,330.01, 43,231.43 and 17,902.14

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Solution

The fourth proportional to 31,330.01, 43,231.43 and 17,902.14 is: 24,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.01 : 43,231.43 = 17,902.14 : x
  2. Step 2: Convert to fraction form
    31,330.01/43,231.43 = 17,902.14/x
  3. Step 3: Cross multiply
    31,330.01x = 43,231.43 × 17,902.14
  4. Step 4: Simplify right side
    31,330.01x = 773,935,022.75
  5. Step 5: Solve for x
    x = 773,935,022.75/31,330.01
  6. Step 6: Final answer
    x = 24,702.67

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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.