Home / 40,619.06-60,921.12-18,427.10

Finding the Fourth Proportional to 40,619.06, 60,921.12 and 18,427.10

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Solution

The fourth proportional to 40,619.06, 60,921.12 and 18,427.10 is: 27,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.06 : 60,921.12 = 18,427.10 : x
  2. Step 2: Convert to fraction form
    40,619.06/60,921.12 = 18,427.10/x
  3. Step 3: Cross multiply
    40,619.06x = 60,921.12 × 18,427.10
  4. Step 4: Simplify right side
    40,619.06x = 1,122,599,570.35
  5. Step 5: Solve for x
    x = 1,122,599,570.35/40,619.06
  6. Step 6: Final answer
    x = 27,637.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.