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Finding the Fourth Proportional to 39,573.96, 54,614.93 and 22,578.57

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Solution

The fourth proportional to 39,573.96, 54,614.93 and 22,578.57 is: 31,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.96 : 54,614.93 = 22,578.57 : x
  2. Step 2: Convert to fraction form
    39,573.96/54,614.93 = 22,578.57/x
  3. Step 3: Cross multiply
    39,573.96x = 54,614.93 × 22,578.57
  4. Step 4: Simplify right side
    39,573.96x = 1,233,127,281.30
  5. Step 5: Solve for x
    x = 1,233,127,281.30/39,573.96
  6. Step 6: Final answer
    x = 31,160.07

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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.