Home / 52,486.62-72,431.34-28,613.22

Finding the Fourth Proportional to 52,486.62, 72,431.34 and 28,613.22

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Solution

The fourth proportional to 52,486.62, 72,431.34 and 28,613.22 is: 39,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.62 : 72,431.34 = 28,613.22 : x
  2. Step 2: Convert to fraction form
    52,486.62/72,431.34 = 28,613.22/x
  3. Step 3: Cross multiply
    52,486.62x = 72,431.34 × 28,613.22
  4. Step 4: Simplify right side
    52,486.62x = 2,072,493,866.31
  5. Step 5: Solve for x
    x = 2,072,493,866.31/52,486.62
  6. Step 6: Final answer
    x = 39,486.14

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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.