Home / 39,642.76-59,458.68-21,906.20

Finding the Fourth Proportional to 39,642.76, 59,458.68 and 21,906.20

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Solution

The fourth proportional to 39,642.76, 59,458.68 and 21,906.20 is: 32,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.76 : 59,458.68 = 21,906.20 : x
  2. Step 2: Convert to fraction form
    39,642.76/59,458.68 = 21,906.20/x
  3. Step 3: Cross multiply
    39,642.76x = 59,458.68 × 21,906.20
  4. Step 4: Simplify right side
    39,642.76x = 1,302,513,735.82
  5. Step 5: Solve for x
    x = 1,302,513,735.82/39,642.76
  6. Step 6: Final answer
    x = 32,856.28

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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.