Home / 74,572.80-111,898.20-30,204.24

Finding the Fourth Proportional to 74,572.80, 111,898.20 and 30,204.24

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Solution

The fourth proportional to 74,572.80, 111,898.20 and 30,204.24 is: 45,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.80 : 111,898.20 = 30,204.24 : x
  2. Step 2: Convert to fraction form
    74,572.80/111,898.20 = 30,204.24/x
  3. Step 3: Cross multiply
    74,572.80x = 111,898.20 × 30,204.24
  4. Step 4: Simplify right side
    74,572.80x = 3,379,800,088.37
  5. Step 5: Solve for x
    x = 3,379,800,088.37/74,572.80
  6. Step 6: Final answer
    x = 45,322.16

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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.