Home / 39,642.62-59,470.03-13,345.29

Finding the Fourth Proportional to 39,642.62, 59,470.03 and 13,345.29

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Solution

The fourth proportional to 39,642.62, 59,470.03 and 13,345.29 is: 20,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.62 : 59,470.03 = 13,345.29 : x
  2. Step 2: Convert to fraction form
    39,642.62/59,470.03 = 13,345.29/x
  3. Step 3: Cross multiply
    39,642.62x = 59,470.03 × 13,345.29
  4. Step 4: Simplify right side
    39,642.62x = 793,644,813.34
  5. Step 5: Solve for x
    x = 793,644,813.34/39,642.62
  6. Step 6: Final answer
    x = 20,019.99

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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.