Home / 39,954.84-59,938.02-12,255

Finding the Fourth Proportional to 39,954.84, 59,938.02 and 12,255

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Solution

The fourth proportional to 39,954.84, 59,938.02 and 12,255 is: 18,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.84 : 59,938.02 = 12,255 : x
  2. Step 2: Convert to fraction form
    39,954.84/59,938.02 = 12,255/x
  3. Step 3: Cross multiply
    39,954.84x = 59,938.02 × 12,255
  4. Step 4: Simplify right side
    39,954.84x = 734,540,435.10
  5. Step 5: Solve for x
    x = 734,540,435.10/39,954.84
  6. Step 6: Final answer
    x = 18,384.27

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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.