Home / 39,923.90-55,098.29-22,931.42

Finding the Fourth Proportional to 39,923.90, 55,098.29 and 22,931.42

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Solution

The fourth proportional to 39,923.90, 55,098.29 and 22,931.42 is: 31,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.90 : 55,098.29 = 22,931.42 : x
  2. Step 2: Convert to fraction form
    39,923.90/55,098.29 = 22,931.42/x
  3. Step 3: Cross multiply
    39,923.90x = 55,098.29 × 22,931.42
  4. Step 4: Simplify right side
    39,923.90x = 1,263,481,776.87
  5. Step 5: Solve for x
    x = 1,263,481,776.87/39,923.90
  6. Step 6: Final answer
    x = 31,647.26

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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.