Home / 53,342.21-80,017.91-13,899.35

Finding the Fourth Proportional to 53,342.21, 80,017.91 and 13,899.35

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Solution

The fourth proportional to 53,342.21, 80,017.91 and 13,899.35 is: 20,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.21 : 80,017.91 = 13,899.35 : x
  2. Step 2: Convert to fraction form
    53,342.21/80,017.91 = 13,899.35/x
  3. Step 3: Cross multiply
    53,342.21x = 80,017.91 × 13,899.35
  4. Step 4: Simplify right side
    53,342.21x = 1,112,196,867.86
  5. Step 5: Solve for x
    x = 1,112,196,867.86/53,342.21
  6. Step 6: Final answer
    x = 20,850.22

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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.