Home / 39,302.24-54,236.77-21,397.21

Finding the Fourth Proportional to 39,302.24, 54,236.77 and 21,397.21

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Solution

The fourth proportional to 39,302.24, 54,236.77 and 21,397.21 is: 29,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.24 : 54,236.77 = 21,397.21 : x
  2. Step 2: Convert to fraction form
    39,302.24/54,236.77 = 21,397.21/x
  3. Step 3: Cross multiply
    39,302.24x = 54,236.77 × 21,397.21
  4. Step 4: Simplify right side
    39,302.24x = 1,160,515,557.41
  5. Step 5: Solve for x
    x = 1,160,515,557.41/39,302.24
  6. Step 6: Final answer
    x = 29,527.97

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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.