Home / 57,905.40-86,857.18-18,462.24

Finding the Fourth Proportional to 57,905.40, 86,857.18 and 18,462.24

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Solution

The fourth proportional to 57,905.40, 86,857.18 and 18,462.24 is: 27,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905.40 : 86,857.18 = 18,462.24 : x
  2. Step 2: Convert to fraction form
    57,905.40/86,857.18 = 18,462.24/x
  3. Step 3: Cross multiply
    57,905.40x = 86,857.18 × 18,462.24
  4. Step 4: Simplify right side
    57,905.40x = 1,603,578,320.03
  5. Step 5: Solve for x
    x = 1,603,578,320.03/57,905.40
  6. Step 6: Final answer
    x = 27,693.07

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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.