Home / 32,647.58-45,063.28-21,318.83

Finding the Fourth Proportional to 32,647.58, 45,063.28 and 21,318.83

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Solution

The fourth proportional to 32,647.58, 45,063.28 and 21,318.83 is: 29,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,647.58 : 45,063.28 = 21,318.83 : x
  2. Step 2: Convert to fraction form
    32,647.58/45,063.28 = 21,318.83/x
  3. Step 3: Cross multiply
    32,647.58x = 45,063.28 × 21,318.83
  4. Step 4: Simplify right side
    32,647.58x = 960,696,405.56
  5. Step 5: Solve for x
    x = 960,696,405.56/32,647.58
  6. Step 6: Final answer
    x = 29,426.27

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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.