Home / 37,876.23-52,269.39-21,970.11

Finding the Fourth Proportional to 37,876.23, 52,269.39 and 21,970.11

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Solution

The fourth proportional to 37,876.23, 52,269.39 and 21,970.11 is: 30,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.23 : 52,269.39 = 21,970.11 : x
  2. Step 2: Convert to fraction form
    37,876.23/52,269.39 = 21,970.11/x
  3. Step 3: Cross multiply
    37,876.23x = 52,269.39 × 21,970.11
  4. Step 4: Simplify right side
    37,876.23x = 1,148,364,247.93
  5. Step 5: Solve for x
    x = 1,148,364,247.93/37,876.23
  6. Step 6: Final answer
    x = 30,318.86

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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.