Home / 47,009.20-64,859.76-30,251.92

Finding the Fourth Proportional to 47,009.20, 64,859.76 and 30,251.92

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Solution

The fourth proportional to 47,009.20, 64,859.76 and 30,251.92 is: 41,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.20 : 64,859.76 = 30,251.92 : x
  2. Step 2: Convert to fraction form
    47,009.20/64,859.76 = 30,251.92/x
  3. Step 3: Cross multiply
    47,009.20x = 64,859.76 × 30,251.92
  4. Step 4: Simplify right side
    47,009.20x = 1,962,132,270.74
  5. Step 5: Solve for x
    x = 1,962,132,270.74/47,009.20
  6. Step 6: Final answer
    x = 41,739.32

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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.