Home / 37,028.81-51,099.80-20,261.81

Finding the Fourth Proportional to 37,028.81, 51,099.80 and 20,261.81

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Solution

The fourth proportional to 37,028.81, 51,099.80 and 20,261.81 is: 27,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,028.81 : 51,099.80 = 20,261.81 : x
  2. Step 2: Convert to fraction form
    37,028.81/51,099.80 = 20,261.81/x
  3. Step 3: Cross multiply
    37,028.81x = 51,099.80 × 20,261.81
  4. Step 4: Simplify right side
    37,028.81x = 1,035,374,465.08
  5. Step 5: Solve for x
    x = 1,035,374,465.08/37,028.81
  6. Step 6: Final answer
    x = 27,961.32

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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.