Home / 32,933.76-45,452.88-18,789.36

Finding the Fourth Proportional to 32,933.76, 45,452.88 and 18,789.36

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Solution

The fourth proportional to 32,933.76, 45,452.88 and 18,789.36 is: 25,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,933.76 : 45,452.88 = 18,789.36 : x
  2. Step 2: Convert to fraction form
    32,933.76/45,452.88 = 18,789.36/x
  3. Step 3: Cross multiply
    32,933.76x = 45,452.88 × 18,789.36
  4. Step 4: Simplify right side
    32,933.76x = 854,030,525.36
  5. Step 5: Solve for x
    x = 854,030,525.36/32,933.76
  6. Step 6: Final answer
    x = 25,931.77

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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.