Home / 49,420.61-68,205.33-28,203.06

Finding the Fourth Proportional to 49,420.61, 68,205.33 and 28,203.06

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Solution

The fourth proportional to 49,420.61, 68,205.33 and 28,203.06 is: 38,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.61 : 68,205.33 = 28,203.06 : x
  2. Step 2: Convert to fraction form
    49,420.61/68,205.33 = 28,203.06/x
  3. Step 3: Cross multiply
    49,420.61x = 68,205.33 × 28,203.06
  4. Step 4: Simplify right side
    49,420.61x = 1,923,599,270.08
  5. Step 5: Solve for x
    x = 1,923,599,270.08/49,420.61
  6. Step 6: Final answer
    x = 38,923.02

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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.