Home / 37,876.87-52,270.41-20,881.70

Finding the Fourth Proportional to 37,876.87, 52,270.41 and 20,881.70

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Solution

The fourth proportional to 37,876.87, 52,270.41 and 20,881.70 is: 28,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.87 : 52,270.41 = 20,881.70 : x
  2. Step 2: Convert to fraction form
    37,876.87/52,270.41 = 20,881.70/x
  3. Step 3: Cross multiply
    37,876.87x = 52,270.41 × 20,881.70
  4. Step 4: Simplify right side
    37,876.87x = 1,091,495,033.47
  5. Step 5: Solve for x
    x = 1,091,495,033.47/37,876.87
  6. Step 6: Final answer
    x = 28,816.93

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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.