Home / 55,530.24-83,296.32-20,451.84

Finding the Fourth Proportional to 55,530.24, 83,296.32 and 20,451.84

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Solution

The fourth proportional to 55,530.24, 83,296.32 and 20,451.84 is: 30,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.24 : 83,296.32 = 20,451.84 : x
  2. Step 2: Convert to fraction form
    55,530.24/83,296.32 = 20,451.84/x
  3. Step 3: Cross multiply
    55,530.24x = 83,296.32 × 20,451.84
  4. Step 4: Simplify right side
    55,530.24x = 1,703,563,009.23
  5. Step 5: Solve for x
    x = 1,703,563,009.23/55,530.24
  6. Step 6: Final answer
    x = 30,678.11

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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.