Home / 52,214.62-72,054.23-28,340.78

Finding the Fourth Proportional to 52,214.62, 72,054.23 and 28,340.78

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Solution

The fourth proportional to 52,214.62, 72,054.23 and 28,340.78 is: 39,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.62 : 72,054.23 = 28,340.78 : x
  2. Step 2: Convert to fraction form
    52,214.62/72,054.23 = 28,340.78/x
  3. Step 3: Cross multiply
    52,214.62x = 72,054.23 × 28,340.78
  4. Step 4: Simplify right side
    52,214.62x = 2,042,072,720.23
  5. Step 5: Solve for x
    x = 2,042,072,720.23/52,214.62
  6. Step 6: Final answer
    x = 39,109.22

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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.