Home / 53,857.40-80,785.52-13,876.22

Finding the Fourth Proportional to 53,857.40, 80,785.52 and 13,876.22

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Solution

The fourth proportional to 53,857.40, 80,785.52 and 13,876.22 is: 20,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.40 : 80,785.52 = 13,876.22 : x
  2. Step 2: Convert to fraction form
    53,857.40/80,785.52 = 13,876.22/x
  3. Step 3: Cross multiply
    53,857.40x = 80,785.52 × 13,876.22
  4. Step 4: Simplify right side
    53,857.40x = 1,120,997,244.41
  5. Step 5: Solve for x
    x = 1,120,997,244.41/53,857.40
  6. Step 6: Final answer
    x = 20,814.17

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1.5x scale

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.