Home / 53,493.48-73,742.31-40,724.37

Finding the Fourth Proportional to 53,493.48, 73,742.31 and 40,724.37

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Solution

The fourth proportional to 53,493.48, 73,742.31 and 40,724.37 is: 56,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.48 : 73,742.31 = 40,724.37 : x
  2. Step 2: Convert to fraction form
    53,493.48/73,742.31 = 40,724.37/x
  3. Step 3: Cross multiply
    53,493.48x = 73,742.31 × 40,724.37
  4. Step 4: Simplify right side
    53,493.48x = 3,003,109,117.09
  5. Step 5: Solve for x
    x = 3,003,109,117.09/53,493.48
  6. Step 6: Final answer
    x = 56,139.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.