Home / 32,991.28-45,530.52-18,848.56

Finding the Fourth Proportional to 32,991.28, 45,530.52 and 18,848.56

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Solution

The fourth proportional to 32,991.28, 45,530.52 and 18,848.56 is: 26,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.28 : 45,530.52 = 18,848.56 : x
  2. Step 2: Convert to fraction form
    32,991.28/45,530.52 = 18,848.56/x
  3. Step 3: Cross multiply
    32,991.28x = 45,530.52 × 18,848.56
  4. Step 4: Simplify right side
    32,991.28x = 858,184,738.05
  5. Step 5: Solve for x
    x = 858,184,738.05/32,991.28
  6. Step 6: Final answer
    x = 26,012.47

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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.