Home / 53,199.81-73,418.27-30,538.44

Finding the Fourth Proportional to 53,199.81, 73,418.27 and 30,538.44

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Solution

The fourth proportional to 53,199.81, 73,418.27 and 30,538.44 is: 42,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199.81 : 73,418.27 = 30,538.44 : x
  2. Step 2: Convert to fraction form
    53,199.81/73,418.27 = 30,538.44/x
  3. Step 3: Cross multiply
    53,199.81x = 73,418.27 × 30,538.44
  4. Step 4: Simplify right side
    53,199.81x = 2,242,079,280.61
  5. Step 5: Solve for x
    x = 2,242,079,280.61/53,199.81
  6. Step 6: Final answer
    x = 42,144.50

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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.