Home / 53,752.85-80,641.34-18,212.11

Finding the Fourth Proportional to 53,752.85, 80,641.34 and 18,212.11

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Solution

The fourth proportional to 53,752.85, 80,641.34 and 18,212.11 is: 27,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.85 : 80,641.34 = 18,212.11 : x
  2. Step 2: Convert to fraction form
    53,752.85/80,641.34 = 18,212.11/x
  3. Step 3: Cross multiply
    53,752.85x = 80,641.34 × 18,212.11
  4. Step 4: Simplify right side
    53,752.85x = 1,468,648,730.26
  5. Step 5: Solve for x
    x = 1,468,648,730.26/53,752.85
  6. Step 6: Final answer
    x = 27,322.25

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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.