Home / 39,721.36-59,589.39-13,068.85

Finding the Fourth Proportional to 39,721.36, 59,589.39 and 13,068.85

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Solution

The fourth proportional to 39,721.36, 59,589.39 and 13,068.85 is: 19,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.36 : 59,589.39 = 13,068.85 : x
  2. Step 2: Convert to fraction form
    39,721.36/59,589.39 = 13,068.85/x
  3. Step 3: Cross multiply
    39,721.36x = 59,589.39 × 13,068.85
  4. Step 4: Simplify right side
    39,721.36x = 778,764,799.50
  5. Step 5: Solve for x
    x = 778,764,799.50/39,721.36
  6. Step 6: Final answer
    x = 19,605.69

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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.