Home / 50,972.76-70,342.02-28,616.76

Finding the Fourth Proportional to 50,972.76, 70,342.02 and 28,616.76

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Solution

The fourth proportional to 50,972.76, 70,342.02 and 28,616.76 is: 39,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.76 : 70,342.02 = 28,616.76 : x
  2. Step 2: Convert to fraction form
    50,972.76/70,342.02 = 28,616.76/x
  3. Step 3: Cross multiply
    50,972.76x = 70,342.02 × 28,616.76
  4. Step 4: Simplify right side
    50,972.76x = 2,012,960,704.26
  5. Step 5: Solve for x
    x = 2,012,960,704.26/50,972.76
  6. Step 6: Final answer
    x = 39,490.91

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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.