Home / 39,448.48-59,078.60-21,874.72

Finding the Fourth Proportional to 39,448.48, 59,078.60 and 21,874.72

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Solution

The fourth proportional to 39,448.48, 59,078.60 and 21,874.72 is: 32,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.48 : 59,078.60 = 21,874.72 : x
  2. Step 2: Convert to fraction form
    39,448.48/59,078.60 = 21,874.72/x
  3. Step 3: Cross multiply
    39,448.48x = 59,078.60 × 21,874.72
  4. Step 4: Simplify right side
    39,448.48x = 1,292,327,832.99
  5. Step 5: Solve for x
    x = 1,292,327,832.99/39,448.48
  6. Step 6: Final answer
    x = 32,759.89

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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.