Home / 52,221.57-72,065.93-28,348.26

Finding the Fourth Proportional to 52,221.57, 72,065.93 and 28,348.26

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Solution

The fourth proportional to 52,221.57, 72,065.93 and 28,348.26 is: 39,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.57 : 72,065.93 = 28,348.26 : x
  2. Step 2: Convert to fraction form
    52,221.57/72,065.93 = 28,348.26/x
  3. Step 3: Cross multiply
    52,221.57x = 72,065.93 × 28,348.26
  4. Step 4: Simplify right side
    52,221.57x = 2,042,943,579.04
  5. Step 5: Solve for x
    x = 2,042,943,579.04/52,221.57
  6. Step 6: Final answer
    x = 39,120.68

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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.