Home / 47,812.07-71,720.44-18,224.39

Finding the Fourth Proportional to 47,812.07, 71,720.44 and 18,224.39

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Solution

The fourth proportional to 47,812.07, 71,720.44 and 18,224.39 is: 27,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.07 : 71,720.44 = 18,224.39 : x
  2. Step 2: Convert to fraction form
    47,812.07/71,720.44 = 18,224.39/x
  3. Step 3: Cross multiply
    47,812.07x = 71,720.44 × 18,224.39
  4. Step 4: Simplify right side
    47,812.07x = 1,307,061,269.53
  5. Step 5: Solve for x
    x = 1,307,061,269.53/47,812.07
  6. Step 6: Final answer
    x = 27,337.48

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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.