Home / 39,636.77-59,449.68-21,900.20

Finding the Fourth Proportional to 39,636.77, 59,449.68 and 21,900.20

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Solution

The fourth proportional to 39,636.77, 59,449.68 and 21,900.20 is: 32,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.77 : 59,449.68 = 21,900.20 : x
  2. Step 2: Convert to fraction form
    39,636.77/59,449.68 = 21,900.20/x
  3. Step 3: Cross multiply
    39,636.77x = 59,449.68 × 21,900.20
  4. Step 4: Simplify right side
    39,636.77x = 1,301,959,881.94
  5. Step 5: Solve for x
    x = 1,301,959,881.94/39,636.77
  6. Step 6: Final answer
    x = 32,847.27

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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.