Home / 50,818.66-70,128.81-28,157.57

Finding the Fourth Proportional to 50,818.66, 70,128.81 and 28,157.57

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Solution

The fourth proportional to 50,818.66, 70,128.81 and 28,157.57 is: 38,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818.66 : 70,128.81 = 28,157.57 : x
  2. Step 2: Convert to fraction form
    50,818.66/70,128.81 = 28,157.57/x
  3. Step 3: Cross multiply
    50,818.66x = 70,128.81 × 28,157.57
  4. Step 4: Simplify right side
    50,818.66x = 1,974,656,525.95
  5. Step 5: Solve for x
    x = 1,974,656,525.95/50,818.66
  6. Step 6: Final answer
    x = 38,856.92

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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.