Home / 72,828.04-109,247.94-20,237.52

Finding the Fourth Proportional to 72,828.04, 109,247.94 and 20,237.52

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Solution

The fourth proportional to 72,828.04, 109,247.94 and 20,237.52 is: 30,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828.04 : 109,247.94 = 20,237.52 : x
  2. Step 2: Convert to fraction form
    72,828.04/109,247.94 = 20,237.52/x
  3. Step 3: Cross multiply
    72,828.04x = 109,247.94 × 20,237.52
  4. Step 4: Simplify right side
    72,828.04x = 2,210,907,370.71
  5. Step 5: Solve for x
    x = 2,210,907,370.71/72,828.04
  6. Step 6: Final answer
    x = 30,357.91

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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.