Home / 38,156.23-52,655.43-21,389.23

Finding the Fourth Proportional to 38,156.23, 52,655.43 and 21,389.23

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Solution

The fourth proportional to 38,156.23, 52,655.43 and 21,389.23 is: 29,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.23 : 52,655.43 = 21,389.23 : x
  2. Step 2: Convert to fraction form
    38,156.23/52,655.43 = 21,389.23/x
  3. Step 3: Cross multiply
    38,156.23x = 52,655.43 × 21,389.23
  4. Step 4: Simplify right side
    38,156.23x = 1,126,259,103.02
  5. Step 5: Solve for x
    x = 1,126,259,103.02/38,156.23
  6. Step 6: Final answer
    x = 29,517.04

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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.