Home / 47,623.79-65,691.06-30,650.11

Finding the Fourth Proportional to 47,623.79, 65,691.06 and 30,650.11

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Solution

The fourth proportional to 47,623.79, 65,691.06 and 30,650.11 is: 42,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.79 : 65,691.06 = 30,650.11 : x
  2. Step 2: Convert to fraction form
    47,623.79/65,691.06 = 30,650.11/x
  3. Step 3: Cross multiply
    47,623.79x = 65,691.06 × 30,650.11
  4. Step 4: Simplify right side
    47,623.79x = 2,013,438,215.02
  5. Step 5: Solve for x
    x = 2,013,438,215.02/47,623.79
  6. Step 6: Final answer
    x = 42,277.99

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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.