Home / 71,055.39-98,056.57-39,224.33

Finding the Fourth Proportional to 71,055.39, 98,056.57 and 39,224.33

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Solution

The fourth proportional to 71,055.39, 98,056.57 and 39,224.33 is: 54,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.39 : 98,056.57 = 39,224.33 : x
  2. Step 2: Convert to fraction form
    71,055.39/98,056.57 = 39,224.33/x
  3. Step 3: Cross multiply
    71,055.39x = 98,056.57 × 39,224.33
  4. Step 4: Simplify right side
    71,055.39x = 3,846,202,770.07
  5. Step 5: Solve for x
    x = 3,846,202,770.07/71,055.39
  6. Step 6: Final answer
    x = 54,129.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.