Home / 52,220.39-78,342.42-17,160.35

Finding the Fourth Proportional to 52,220.39, 78,342.42 and 17,160.35

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Solution

The fourth proportional to 52,220.39, 78,342.42 and 17,160.35 is: 25,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.39 : 78,342.42 = 17,160.35 : x
  2. Step 2: Convert to fraction form
    52,220.39/78,342.42 = 17,160.35/x
  3. Step 3: Cross multiply
    52,220.39x = 78,342.42 × 17,160.35
  4. Step 4: Simplify right side
    52,220.39x = 1,344,382,955.33
  5. Step 5: Solve for x
    x = 1,344,382,955.33/52,220.39
  6. Step 6: Final answer
    x = 25,744.41

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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.