Home / 53,369.11-73,652.22-30,711.55

Finding the Fourth Proportional to 53,369.11, 73,652.22 and 30,711.55

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Solution

The fourth proportional to 53,369.11, 73,652.22 and 30,711.55 is: 42,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,369.11 : 73,652.22 = 30,711.55 : x
  2. Step 2: Convert to fraction form
    53,369.11/73,652.22 = 30,711.55/x
  3. Step 3: Cross multiply
    53,369.11x = 73,652.22 × 30,711.55
  4. Step 4: Simplify right side
    53,369.11x = 2,261,973,837.14
  5. Step 5: Solve for x
    x = 2,261,973,837.14/53,369.11
  6. Step 6: Final answer
    x = 42,383.58

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1.5x scale

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.