Home / 57,681.96-86,522.43-18,239.10

Finding the Fourth Proportional to 57,681.96, 86,522.43 and 18,239.10

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Solution

The fourth proportional to 57,681.96, 86,522.43 and 18,239.10 is: 27,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681.96 : 86,522.43 = 18,239.10 : x
  2. Step 2: Convert to fraction form
    57,681.96/86,522.43 = 18,239.10/x
  3. Step 3: Cross multiply
    57,681.96x = 86,522.43 × 18,239.10
  4. Step 4: Simplify right side
    57,681.96x = 1,578,091,253.01
  5. Step 5: Solve for x
    x = 1,578,091,253.01/57,681.96
  6. Step 6: Final answer
    x = 27,358.49

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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.