Home / 39,541.96-54,568.70-21,637.35

Finding the Fourth Proportional to 39,541.96, 54,568.70 and 21,637.35

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Solution

The fourth proportional to 39,541.96, 54,568.70 and 21,637.35 is: 29,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.96 : 54,568.70 = 21,637.35 : x
  2. Step 2: Convert to fraction form
    39,541.96/54,568.70 = 21,637.35/x
  3. Step 3: Cross multiply
    39,541.96x = 54,568.70 × 21,637.35
  4. Step 4: Simplify right side
    39,541.96x = 1,180,722,060.95
  5. Step 5: Solve for x
    x = 1,180,722,060.95/39,541.96
  6. Step 6: Final answer
    x = 29,859.98

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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.