Home / 74,864.80-112,296.24-21,558.08

Finding the Fourth Proportional to 74,864.80, 112,296.24 and 21,558.08

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Solution

The fourth proportional to 74,864.80, 112,296.24 and 21,558.08 is: 32,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.80 : 112,296.24 = 21,558.08 : x
  2. Step 2: Convert to fraction form
    74,864.80/112,296.24 = 21,558.08/x
  3. Step 3: Cross multiply
    74,864.80x = 112,296.24 × 21,558.08
  4. Step 4: Simplify right side
    74,864.80x = 2,420,891,325.62
  5. Step 5: Solve for x
    x = 2,420,891,325.62/74,864.80
  6. Step 6: Final answer
    x = 32,336.84

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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.