Home / 39,233.03-54,140.40-21,327.57

Finding the Fourth Proportional to 39,233.03, 54,140.40 and 21,327.57

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Solution

The fourth proportional to 39,233.03, 54,140.40 and 21,327.57 is: 29,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.03 : 54,140.40 = 21,327.57 : x
  2. Step 2: Convert to fraction form
    39,233.03/54,140.40 = 21,327.57/x
  3. Step 3: Cross multiply
    39,233.03x = 54,140.40 × 21,327.57
  4. Step 4: Simplify right side
    39,233.03x = 1,154,683,170.83
  5. Step 5: Solve for x
    x = 1,154,683,170.83/39,233.03
  6. Step 6: Final answer
    x = 29,431.41

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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.