Home / 39,600.48-59,404.62-11,520.81

Finding the Fourth Proportional to 39,600.48, 59,404.62 and 11,520.81

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Solution

The fourth proportional to 39,600.48, 59,404.62 and 11,520.81 is: 17,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.48 : 59,404.62 = 11,520.81 : x
  2. Step 2: Convert to fraction form
    39,600.48/59,404.62 = 11,520.81/x
  3. Step 3: Cross multiply
    39,600.48x = 59,404.62 × 11,520.81
  4. Step 4: Simplify right side
    39,600.48x = 684,389,340.14
  5. Step 5: Solve for x
    x = 684,389,340.14/39,600.48
  6. Step 6: Final answer
    x = 17,282.35

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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.