Home / 65,550.25-98,341.17-18,802.72

Finding the Fourth Proportional to 65,550.25, 98,341.17 and 18,802.72

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Solution

The fourth proportional to 65,550.25, 98,341.17 and 18,802.72 is: 28,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.25 : 98,341.17 = 18,802.72 : x
  2. Step 2: Convert to fraction form
    65,550.25/98,341.17 = 18,802.72/x
  3. Step 3: Cross multiply
    65,550.25x = 98,341.17 × 18,802.72
  4. Step 4: Simplify right side
    65,550.25x = 1,849,081,483.98
  5. Step 5: Solve for x
    x = 1,849,081,483.98/65,550.25
  6. Step 6: Final answer
    x = 28,208.61

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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.