Home / 47,911.28-66,082.37-31,749.35

Finding the Fourth Proportional to 47,911.28, 66,082.37 and 31,749.35

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Solution

The fourth proportional to 47,911.28, 66,082.37 and 31,749.35 is: 43,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.28 : 66,082.37 = 31,749.35 : x
  2. Step 2: Convert to fraction form
    47,911.28/66,082.37 = 31,749.35/x
  3. Step 3: Cross multiply
    47,911.28x = 66,082.37 × 31,749.35
  4. Step 4: Simplify right side
    47,911.28x = 2,098,071,804.80
  5. Step 5: Solve for x
    x = 2,098,071,804.80/47,911.28
  6. Step 6: Final answer
    x = 43,790.77

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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.