Home / 47,309.49-70,972.97-13,574.12

Finding the Fourth Proportional to 47,309.49, 70,972.97 and 13,574.12

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Solution

The fourth proportional to 47,309.49, 70,972.97 and 13,574.12 is: 20,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.49 : 70,972.97 = 13,574.12 : x
  2. Step 2: Convert to fraction form
    47,309.49/70,972.97 = 13,574.12/x
  3. Step 3: Cross multiply
    47,309.49x = 70,972.97 × 13,574.12
  4. Step 4: Simplify right side
    47,309.49x = 963,395,188.80
  5. Step 5: Solve for x
    x = 963,395,188.80/47,309.49
  6. Step 6: Final answer
    x = 20,363.68

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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.