Home / 39,946.20-59,807.50-21,183.86

Finding the Fourth Proportional to 39,946.20, 59,807.50 and 21,183.86

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Solution

The fourth proportional to 39,946.20, 59,807.50 and 21,183.86 is: 31,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.20 : 59,807.50 = 21,183.86 : x
  2. Step 2: Convert to fraction form
    39,946.20/59,807.50 = 21,183.86/x
  3. Step 3: Cross multiply
    39,946.20x = 59,807.50 × 21,183.86
  4. Step 4: Simplify right side
    39,946.20x = 1,266,953,803.51
  5. Step 5: Solve for x
    x = 1,266,953,803.51/39,946.20
  6. Step 6: Final answer
    x = 31,716.51

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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.