Home / 39,813.12-54,939.06-22,817.16

Finding the Fourth Proportional to 39,813.12, 54,939.06 and 22,817.16

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Solution

The fourth proportional to 39,813.12, 54,939.06 and 22,817.16 is: 31,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.12 : 54,939.06 = 22,817.16 : x
  2. Step 2: Convert to fraction form
    39,813.12/54,939.06 = 22,817.16/x
  3. Step 3: Cross multiply
    39,813.12x = 54,939.06 × 22,817.16
  4. Step 4: Simplify right side
    39,813.12x = 1,253,553,322.27
  5. Step 5: Solve for x
    x = 1,253,553,322.27/39,813.12
  6. Step 6: Final answer
    x = 31,485.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.