Home / 47,220.56-70,838.53-13,943.99

Finding the Fourth Proportional to 47,220.56, 70,838.53 and 13,943.99

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Solution

The fourth proportional to 47,220.56, 70,838.53 and 13,943.99 is: 20,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.56 : 70,838.53 = 13,943.99 : x
  2. Step 2: Convert to fraction form
    47,220.56/70,838.53 = 13,943.99/x
  3. Step 3: Cross multiply
    47,220.56x = 70,838.53 × 13,943.99
  4. Step 4: Simplify right side
    47,220.56x = 987,771,753.93
  5. Step 5: Solve for x
    x = 987,771,753.93/47,220.56
  6. Step 6: Final answer
    x = 20,918.26

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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.