Home / 39,224.27-54,129.82-21,319.27

Finding the Fourth Proportional to 39,224.27, 54,129.82 and 21,319.27

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Solution

The fourth proportional to 39,224.27, 54,129.82 and 21,319.27 is: 29,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,224.27 : 54,129.82 = 21,319.27 : x
  2. Step 2: Convert to fraction form
    39,224.27/54,129.82 = 21,319.27/x
  3. Step 3: Cross multiply
    39,224.27x = 54,129.82 × 21,319.27
  4. Step 4: Simplify right side
    39,224.27x = 1,154,008,247.63
  5. Step 5: Solve for x
    x = 1,154,008,247.63/39,224.27
  6. Step 6: Final answer
    x = 29,420.77

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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.