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Finding the Fourth Proportional to 39,699, 54,794.52 and 22,941.72

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Solution

The fourth proportional to 39,699, 54,794.52 and 22,941.72 is: 31,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699 : 54,794.52 = 22,941.72 : x
  2. Step 2: Convert to fraction form
    39,699/54,794.52 = 22,941.72/x
  3. Step 3: Cross multiply
    39,699x = 54,794.52 × 22,941.72
  4. Step 4: Simplify right side
    39,699x = 1,257,080,535.37
  5. Step 5: Solve for x
    x = 1,257,080,535.37/39,699
  6. Step 6: Final answer
    x = 31,665.29

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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.