Home / 49,487.21-74,224.87-13,951.20

Finding the Fourth Proportional to 49,487.21, 74,224.87 and 13,951.20

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Solution

The fourth proportional to 49,487.21, 74,224.87 and 13,951.20 is: 20,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.21 : 74,224.87 = 13,951.20 : x
  2. Step 2: Convert to fraction form
    49,487.21/74,224.87 = 13,951.20/x
  3. Step 3: Cross multiply
    49,487.21x = 74,224.87 × 13,951.20
  4. Step 4: Simplify right side
    49,487.21x = 1,035,525,936.59
  5. Step 5: Solve for x
    x = 1,035,525,936.59/49,487.21
  6. Step 6: Final answer
    x = 20,925.12

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1.5x scale

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.