Home / 49,152.40-73,720.50-21,076.99

Finding the Fourth Proportional to 49,152.40, 73,720.50 and 21,076.99

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Solution

The fourth proportional to 49,152.40, 73,720.50 and 21,076.99 is: 31,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152.40 : 73,720.50 = 21,076.99 : x
  2. Step 2: Convert to fraction form
    49,152.40/73,720.50 = 21,076.99/x
  3. Step 3: Cross multiply
    49,152.40x = 73,720.50 × 21,076.99
  4. Step 4: Simplify right side
    49,152.40x = 1,553,806,241.30
  5. Step 5: Solve for x
    x = 1,553,806,241.30/49,152.40
  6. Step 6: Final answer
    x = 31,612.01

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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.