Home / 39,906.96-59,877.84-21,417.36

Finding the Fourth Proportional to 39,906.96, 59,877.84 and 21,417.36

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Solution

The fourth proportional to 39,906.96, 59,877.84 and 21,417.36 is: 32,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.96 : 59,877.84 = 21,417.36 : x
  2. Step 2: Convert to fraction form
    39,906.96/59,877.84 = 21,417.36/x
  3. Step 3: Cross multiply
    39,906.96x = 59,877.84 × 21,417.36
  4. Step 4: Simplify right side
    39,906.96x = 1,282,425,255.30
  5. Step 5: Solve for x
    x = 1,282,425,255.30/39,906.96
  6. Step 6: Final answer
    x = 32,135.38

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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.