Home / 39,864.20-59,804.18-11,784.76

Finding the Fourth Proportional to 39,864.20, 59,804.18 and 11,784.76

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Solution

The fourth proportional to 39,864.20, 59,804.18 and 11,784.76 is: 17,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.20 : 59,804.18 = 11,784.76 : x
  2. Step 2: Convert to fraction form
    39,864.20/59,804.18 = 11,784.76/x
  3. Step 3: Cross multiply
    39,864.20x = 59,804.18 × 11,784.76
  4. Step 4: Simplify right side
    39,864.20x = 704,777,908.30
  5. Step 5: Solve for x
    x = 704,777,908.30/39,864.20
  6. Step 6: Final answer
    x = 17,679.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.