Home / 53,530.22-80,296.28-14,085.86

Finding the Fourth Proportional to 53,530.22, 80,296.28 and 14,085.86

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Solution

The fourth proportional to 53,530.22, 80,296.28 and 14,085.86 is: 21,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.22 : 80,296.28 = 14,085.86 : x
  2. Step 2: Convert to fraction form
    53,530.22/80,296.28 = 14,085.86/x
  3. Step 3: Cross multiply
    53,530.22x = 80,296.28 × 14,085.86
  4. Step 4: Simplify right side
    53,530.22x = 1,131,041,686.69
  5. Step 5: Solve for x
    x = 1,131,041,686.69/53,530.22
  6. Step 6: Final answer
    x = 21,129.03

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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.