Home / 53,914.13-80,878.76-18,845.81

Finding the Fourth Proportional to 53,914.13, 80,878.76 and 18,845.81

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Solution

The fourth proportional to 53,914.13, 80,878.76 and 18,845.81 is: 28,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,914.13 : 80,878.76 = 18,845.81 : x
  2. Step 2: Convert to fraction form
    53,914.13/80,878.76 = 18,845.81/x
  3. Step 3: Cross multiply
    53,914.13x = 80,878.76 × 18,845.81
  4. Step 4: Simplify right side
    53,914.13x = 1,524,225,649.77
  5. Step 5: Solve for x
    x = 1,524,225,649.77/53,914.13
  6. Step 6: Final answer
    x = 28,271.36

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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.