Home / 39,803.10-54,936.12-22,818.74

Finding the Fourth Proportional to 39,803.10, 54,936.12 and 22,818.74

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Solution

The fourth proportional to 39,803.10, 54,936.12 and 22,818.74 is: 31,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.10 : 54,936.12 = 22,818.74 : x
  2. Step 2: Convert to fraction form
    39,803.10/54,936.12 = 22,818.74/x
  3. Step 3: Cross multiply
    39,803.10x = 54,936.12 × 22,818.74
  4. Step 4: Simplify right side
    39,803.10x = 1,253,572,764.21
  5. Step 5: Solve for x
    x = 1,253,572,764.21/39,803.10
  6. Step 6: Final answer
    x = 31,494.35

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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.