Home / 47,220.23-70,838.03-13,943.66

Finding the Fourth Proportional to 47,220.23, 70,838.03 and 13,943.66

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Solution

The fourth proportional to 47,220.23, 70,838.03 and 13,943.66 is: 20,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.23 : 70,838.03 = 13,943.66 : x
  2. Step 2: Convert to fraction form
    47,220.23/70,838.03 = 13,943.66/x
  3. Step 3: Cross multiply
    47,220.23x = 70,838.03 × 13,943.66
  4. Step 4: Simplify right side
    47,220.23x = 987,740,981.48
  5. Step 5: Solve for x
    x = 987,740,981.48/47,220.23
  6. Step 6: Final answer
    x = 20,917.75

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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.