Home / 57,933.10-86,901.16-18,490.16

Finding the Fourth Proportional to 57,933.10, 86,901.16 and 18,490.16

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Solution

The fourth proportional to 57,933.10, 86,901.16 and 18,490.16 is: 27,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.10 : 86,901.16 = 18,490.16 : x
  2. Step 2: Convert to fraction form
    57,933.10/86,901.16 = 18,490.16/x
  3. Step 3: Cross multiply
    57,933.10x = 86,901.16 × 18,490.16
  4. Step 4: Simplify right side
    57,933.10x = 1,606,816,352.59
  5. Step 5: Solve for x
    x = 1,606,816,352.59/57,933.10
  6. Step 6: Final answer
    x = 27,735.72

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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.