Home / 47,691.81-65,832.37-40,950.36

Finding the Fourth Proportional to 47,691.81, 65,832.37 and 40,950.36

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Solution

The fourth proportional to 47,691.81, 65,832.37 and 40,950.36 is: 56,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691.81 : 65,832.37 = 40,950.36 : x
  2. Step 2: Convert to fraction form
    47,691.81/65,832.37 = 40,950.36/x
  3. Step 3: Cross multiply
    47,691.81x = 65,832.37 × 40,950.36
  4. Step 4: Simplify right side
    47,691.81x = 2,695,859,148.78
  5. Step 5: Solve for x
    x = 2,695,859,148.78/47,691.81
  6. Step 6: Final answer
    x = 56,526.67

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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.