Home / 37,644.48-51,947.04-20,877.12

Finding the Fourth Proportional to 37,644.48, 51,947.04 and 20,877.12

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Solution

The fourth proportional to 37,644.48, 51,947.04 and 20,877.12 is: 28,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.48 : 51,947.04 = 20,877.12 : x
  2. Step 2: Convert to fraction form
    37,644.48/51,947.04 = 20,877.12/x
  3. Step 3: Cross multiply
    37,644.48x = 51,947.04 × 20,877.12
  4. Step 4: Simplify right side
    37,644.48x = 1,084,504,587.72
  5. Step 5: Solve for x
    x = 1,084,504,587.72/37,644.48
  6. Step 6: Final answer
    x = 28,809.13

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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.