Home / 35,645.05-53,460.28-12,273.31

Finding the Fourth Proportional to 35,645.05, 53,460.28 and 12,273.31

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Solution

The fourth proportional to 35,645.05, 53,460.28 and 12,273.31 is: 18,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.05 : 53,460.28 = 12,273.31 : x
  2. Step 2: Convert to fraction form
    35,645.05/53,460.28 = 12,273.31/x
  3. Step 3: Cross multiply
    35,645.05x = 53,460.28 × 12,273.31
  4. Step 4: Simplify right side
    35,645.05x = 656,134,589.13
  5. Step 5: Solve for x
    x = 656,134,589.13/35,645.05
  6. Step 6: Final answer
    x = 18,407.45

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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.