Home / 39,967.48-59,963.22-18,923.56

Finding the Fourth Proportional to 39,967.48, 59,963.22 and 18,923.56

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Solution

The fourth proportional to 39,967.48, 59,963.22 and 18,923.56 is: 28,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.48 : 59,963.22 = 18,923.56 : x
  2. Step 2: Convert to fraction form
    39,967.48/59,963.22 = 18,923.56/x
  3. Step 3: Cross multiply
    39,967.48x = 59,963.22 × 18,923.56
  4. Step 4: Simplify right side
    39,967.48x = 1,134,717,591.46
  5. Step 5: Solve for x
    x = 1,134,717,591.46/39,967.48
  6. Step 6: Final answer
    x = 28,391.02

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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.