Home / 57,688.14-86,537.07-18,244.38

Finding the Fourth Proportional to 57,688.14, 86,537.07 and 18,244.38

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Solution

The fourth proportional to 57,688.14, 86,537.07 and 18,244.38 is: 27,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.14 : 86,537.07 = 18,244.38 : x
  2. Step 2: Convert to fraction form
    57,688.14/86,537.07 = 18,244.38/x
  3. Step 3: Cross multiply
    57,688.14x = 86,537.07 × 18,244.38
  4. Step 4: Simplify right side
    57,688.14x = 1,578,815,189.17
  5. Step 5: Solve for x
    x = 1,578,815,189.17/57,688.14
  6. Step 6: Final answer
    x = 27,368.11

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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.