Home / 49,045.70-67,685.28-28,903.43

Finding the Fourth Proportional to 49,045.70, 67,685.28 and 28,903.43

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Solution

The fourth proportional to 49,045.70, 67,685.28 and 28,903.43 is: 39,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,045.70 : 67,685.28 = 28,903.43 : x
  2. Step 2: Convert to fraction form
    49,045.70/67,685.28 = 28,903.43/x
  3. Step 3: Cross multiply
    49,045.70x = 67,685.28 × 28,903.43
  4. Step 4: Simplify right side
    49,045.70x = 1,956,336,414.08
  5. Step 5: Solve for x
    x = 1,956,336,414.08/49,045.70
  6. Step 6: Final answer
    x = 39,888.04

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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.