Home / 53,412.51-80,062.27-20,118.17

Finding the Fourth Proportional to 53,412.51, 80,062.27 and 20,118.17

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Solution

The fourth proportional to 53,412.51, 80,062.27 and 20,118.17 is: 30,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.51 : 80,062.27 = 20,118.17 : x
  2. Step 2: Convert to fraction form
    53,412.51/80,062.27 = 20,118.17/x
  3. Step 3: Cross multiply
    53,412.51x = 80,062.27 × 20,118.17
  4. Step 4: Simplify right side
    53,412.51x = 1,610,705,857.54
  5. Step 5: Solve for x
    x = 1,610,705,857.54/53,412.51
  6. Step 6: Final answer
    x = 30,155.97

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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.