Home / 39,879.36-59,808.96-13,583.04

Finding the Fourth Proportional to 39,879.36, 59,808.96 and 13,583.04

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Solution

The fourth proportional to 39,879.36, 59,808.96 and 13,583.04 is: 20,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.36 : 59,808.96 = 13,583.04 : x
  2. Step 2: Convert to fraction form
    39,879.36/59,808.96 = 13,583.04/x
  3. Step 3: Cross multiply
    39,879.36x = 59,808.96 × 13,583.04
  4. Step 4: Simplify right side
    39,879.36x = 812,387,496.04
  5. Step 5: Solve for x
    x = 812,387,496.04/39,879.36
  6. Step 6: Final answer
    x = 20,371.13

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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.