Home / 39,754.80-59,632.20-21,027.60

Finding the Fourth Proportional to 39,754.80, 59,632.20 and 21,027.60

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Solution

The fourth proportional to 39,754.80, 59,632.20 and 21,027.60 is: 31,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.80 : 59,632.20 = 21,027.60 : x
  2. Step 2: Convert to fraction form
    39,754.80/59,632.20 = 21,027.60/x
  3. Step 3: Cross multiply
    39,754.80x = 59,632.20 × 21,027.60
  4. Step 4: Simplify right side
    39,754.80x = 1,253,922,048.72
  5. Step 5: Solve for x
    x = 1,253,922,048.72/39,754.80
  6. Step 6: Final answer
    x = 31,541.40

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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.