Home / 43,238.44-64,869.66-13,655.56

Finding the Fourth Proportional to 43,238.44, 64,869.66 and 13,655.56

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Solution

The fourth proportional to 43,238.44, 64,869.66 and 13,655.56 is: 20,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.44 : 64,869.66 = 13,655.56 : x
  2. Step 2: Convert to fraction form
    43,238.44/64,869.66 = 13,655.56/x
  3. Step 3: Cross multiply
    43,238.44x = 64,869.66 × 13,655.56
  4. Step 4: Simplify right side
    43,238.44x = 885,831,534.31
  5. Step 5: Solve for x
    x = 885,831,534.31/43,238.44
  6. Step 6: Final answer
    x = 20,487.13

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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.