Home / 39,963.46-59,943.77-9,977.87

Finding the Fourth Proportional to 39,963.46, 59,943.77 and 9,977.87

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Solution

The fourth proportional to 39,963.46, 59,943.77 and 9,977.87 is: 14,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.46 : 59,943.77 = 9,977.87 : x
  2. Step 2: Convert to fraction form
    39,963.46/59,943.77 = 9,977.87/x
  3. Step 3: Cross multiply
    39,963.46x = 59,943.77 × 9,977.87
  4. Step 4: Simplify right side
    39,963.46x = 598,110,832.18
  5. Step 5: Solve for x
    x = 598,110,832.18/39,963.46
  6. Step 6: Final answer
    x = 14,966.44

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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.