Home / 52,211.97-72,051.75-30,704.16

Finding the Fourth Proportional to 52,211.97, 72,051.75 and 30,704.16

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Solution

The fourth proportional to 52,211.97, 72,051.75 and 30,704.16 is: 42,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.97 : 72,051.75 = 30,704.16 : x
  2. Step 2: Convert to fraction form
    52,211.97/72,051.75 = 30,704.16/x
  3. Step 3: Cross multiply
    52,211.97x = 72,051.75 × 30,704.16
  4. Step 4: Simplify right side
    52,211.97x = 2,212,288,460.28
  5. Step 5: Solve for x
    x = 2,212,288,460.28/52,211.97
  6. Step 6: Final answer
    x = 42,371.29

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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.