Home / 39,813.29-59,633.81-18,721.73

Finding the Fourth Proportional to 39,813.29, 59,633.81 and 18,721.73

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Solution

The fourth proportional to 39,813.29, 59,633.81 and 18,721.73 is: 28,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.29 : 59,633.81 = 18,721.73 : x
  2. Step 2: Convert to fraction form
    39,813.29/59,633.81 = 18,721.73/x
  3. Step 3: Cross multiply
    39,813.29x = 59,633.81 × 18,721.73
  4. Step 4: Simplify right side
    39,813.29x = 1,116,448,089.69
  5. Step 5: Solve for x
    x = 1,116,448,089.69/39,813.29
  6. Step 6: Final answer
    x = 28,042.10

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1.5x scale

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.