Home / 40,188.22-55,420.30-37,009.78

Finding the Fourth Proportional to 40,188.22, 55,420.30 and 37,009.78

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Solution

The fourth proportional to 40,188.22, 55,420.30 and 37,009.78 is: 51,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.22 : 55,420.30 = 37,009.78 : x
  2. Step 2: Convert to fraction form
    40,188.22/55,420.30 = 37,009.78/x
  3. Step 3: Cross multiply
    40,188.22x = 55,420.30 × 37,009.78
  4. Step 4: Simplify right side
    40,188.22x = 2,051,093,018.25
  5. Step 5: Solve for x
    x = 2,051,093,018.25/40,188.22
  6. Step 6: Final answer
    x = 51,037.17

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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.