Home / 39,966.48-59,961.72-18,922.56

Finding the Fourth Proportional to 39,966.48, 59,961.72 and 18,922.56

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Solution

The fourth proportional to 39,966.48, 59,961.72 and 18,922.56 is: 28,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.48 : 59,961.72 = 18,922.56 : x
  2. Step 2: Convert to fraction form
    39,966.48/59,961.72 = 18,922.56/x
  3. Step 3: Cross multiply
    39,966.48x = 59,961.72 × 18,922.56
  4. Step 4: Simplify right side
    39,966.48x = 1,134,629,244.40
  5. Step 5: Solve for x
    x = 1,134,629,244.40/39,966.48
  6. Step 6: Final answer
    x = 28,389.52

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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.