Home / 37,543.15-51,815.37-21,410.49

Finding the Fourth Proportional to 37,543.15, 51,815.37 and 21,410.49

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Solution

The fourth proportional to 37,543.15, 51,815.37 and 21,410.49 is: 29,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.15 : 51,815.37 = 21,410.49 : x
  2. Step 2: Convert to fraction form
    37,543.15/51,815.37 = 21,410.49/x
  3. Step 3: Cross multiply
    37,543.15x = 51,815.37 × 21,410.49
  4. Step 4: Simplify right side
    37,543.15x = 1,109,392,354.18
  5. Step 5: Solve for x
    x = 1,109,392,354.18/37,543.15
  6. Step 6: Final answer
    x = 29,549.79

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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.