Home / 39,302.41-54,235.62-21,397.48

Finding the Fourth Proportional to 39,302.41, 54,235.62 and 21,397.48

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Solution

The fourth proportional to 39,302.41, 54,235.62 and 21,397.48 is: 29,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.41 : 54,235.62 = 21,397.48 : x
  2. Step 2: Convert to fraction form
    39,302.41/54,235.62 = 21,397.48/x
  3. Step 3: Cross multiply
    39,302.41x = 54,235.62 × 21,397.48
  4. Step 4: Simplify right side
    39,302.41x = 1,160,505,594.24
  5. Step 5: Solve for x
    x = 1,160,505,594.24/39,302.41
  6. Step 6: Final answer
    x = 29,527.59

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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.