Home / 47,220.06-70,837.78-13,943.49

Finding the Fourth Proportional to 47,220.06, 70,837.78 and 13,943.49

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Solution

The fourth proportional to 47,220.06, 70,837.78 and 13,943.49 is: 20,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.06 : 70,837.78 = 13,943.49 : x
  2. Step 2: Convert to fraction form
    47,220.06/70,837.78 = 13,943.49/x
  3. Step 3: Cross multiply
    47,220.06x = 70,837.78 × 13,943.49
  4. Step 4: Simplify right side
    47,220.06x = 987,725,877.05
  5. Step 5: Solve for x
    x = 987,725,877.05/47,220.06
  6. Step 6: Final answer
    x = 20,917.51

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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.