Home / 37,640.12-51,944.28-20,645.06

Finding the Fourth Proportional to 37,640.12, 51,944.28 and 20,645.06

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Solution

The fourth proportional to 37,640.12, 51,944.28 and 20,645.06 is: 28,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.12 : 51,944.28 = 20,645.06 : x
  2. Step 2: Convert to fraction form
    37,640.12/51,944.28 = 20,645.06/x
  3. Step 3: Cross multiply
    37,640.12x = 51,944.28 × 20,645.06
  4. Step 4: Simplify right side
    37,640.12x = 1,072,392,777.26
  5. Step 5: Solve for x
    x = 1,072,392,777.26/37,640.12
  6. Step 6: Final answer
    x = 28,490.68

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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.