Home / 50,921.34-70,275.83-28,264.70

Finding the Fourth Proportional to 50,921.34, 70,275.83 and 28,264.70

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Solution

The fourth proportional to 50,921.34, 70,275.83 and 28,264.70 is: 39,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.34 : 70,275.83 = 28,264.70 : x
  2. Step 2: Convert to fraction form
    50,921.34/70,275.83 = 28,264.70/x
  3. Step 3: Cross multiply
    50,921.34x = 70,275.83 × 28,264.70
  4. Step 4: Simplify right side
    50,921.34x = 1,986,325,252.20
  5. Step 5: Solve for x
    x = 1,986,325,252.20/50,921.34
  6. Step 6: Final answer
    x = 39,007.72

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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.