Home / 57,962.98-86,956.87-17,981.09

Finding the Fourth Proportional to 57,962.98, 86,956.87 and 17,981.09

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Solution

The fourth proportional to 57,962.98, 86,956.87 and 17,981.09 is: 26,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.98 : 86,956.87 = 17,981.09 : x
  2. Step 2: Convert to fraction form
    57,962.98/86,956.87 = 17,981.09/x
  3. Step 3: Cross multiply
    57,962.98x = 86,956.87 × 17,981.09
  4. Step 4: Simplify right side
    57,962.98x = 1,563,579,478.03
  5. Step 5: Solve for x
    x = 1,563,579,478.03/57,962.98
  6. Step 6: Final answer
    x = 26,975.49

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Similar ratio
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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.