Home / 39,465.80-59,179.51-13,161.66

Finding the Fourth Proportional to 39,465.80, 59,179.51 and 13,161.66

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Solution

The fourth proportional to 39,465.80, 59,179.51 and 13,161.66 is: 19,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.80 : 59,179.51 = 13,161.66 : x
  2. Step 2: Convert to fraction form
    39,465.80/59,179.51 = 13,161.66/x
  3. Step 3: Cross multiply
    39,465.80x = 59,179.51 × 13,161.66
  4. Step 4: Simplify right side
    39,465.80x = 778,900,384.12
  5. Step 5: Solve for x
    x = 778,900,384.12/39,465.80
  6. Step 6: Final answer
    x = 19,736.09

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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.