Home / 68,647.02-94,721.88-38,433.60

Finding the Fourth Proportional to 68,647.02, 94,721.88 and 38,433.60

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Solution

The fourth proportional to 68,647.02, 94,721.88 and 38,433.60 is: 53,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.02 : 94,721.88 = 38,433.60 : x
  2. Step 2: Convert to fraction form
    68,647.02/94,721.88 = 38,433.60/x
  3. Step 3: Cross multiply
    68,647.02x = 94,721.88 × 38,433.60
  4. Step 4: Simplify right side
    68,647.02x = 3,640,502,847.17
  5. Step 5: Solve for x
    x = 3,640,502,847.17/68,647.02
  6. Step 6: Final answer
    x = 53,032.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.