Home / 39,931.35-55,122.98-25,791.09

Finding the Fourth Proportional to 39,931.35, 55,122.98 and 25,791.09

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Solution

The fourth proportional to 39,931.35, 55,122.98 and 25,791.09 is: 35,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.35 : 55,122.98 = 25,791.09 : x
  2. Step 2: Convert to fraction form
    39,931.35/55,122.98 = 25,791.09/x
  3. Step 3: Cross multiply
    39,931.35x = 55,122.98 × 25,791.09
  4. Step 4: Simplify right side
    39,931.35x = 1,421,681,609.29
  5. Step 5: Solve for x
    x = 1,421,681,609.29/39,931.35
  6. Step 6: Final answer
    x = 35,603.14

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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.