Home / 47,795.92-65,964.52-28,933.36

Finding the Fourth Proportional to 47,795.92, 65,964.52 and 28,933.36

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Solution

The fourth proportional to 47,795.92, 65,964.52 and 28,933.36 is: 39,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.92 : 65,964.52 = 28,933.36 : x
  2. Step 2: Convert to fraction form
    47,795.92/65,964.52 = 28,933.36/x
  3. Step 3: Cross multiply
    47,795.92x = 65,964.52 × 28,933.36
  4. Step 4: Simplify right side
    47,795.92x = 1,908,575,204.39
  5. Step 5: Solve for x
    x = 1,908,575,204.39/47,795.92
  6. Step 6: Final answer
    x = 39,931.76

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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.