Home / 39,946.54-59,926.86-13,645.12

Finding the Fourth Proportional to 39,946.54, 59,926.86 and 13,645.12

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Solution

The fourth proportional to 39,946.54, 59,926.86 and 13,645.12 is: 20,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.54 : 59,926.86 = 13,645.12 : x
  2. Step 2: Convert to fraction form
    39,946.54/59,926.86 = 13,645.12/x
  3. Step 3: Cross multiply
    39,946.54x = 59,926.86 × 13,645.12
  4. Step 4: Simplify right side
    39,946.54x = 817,709,195.92
  5. Step 5: Solve for x
    x = 817,709,195.92/39,946.54
  6. Step 6: Final answer
    x = 20,470.09

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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.