Home / 53,756.21-74,184.09-29,558.42

Finding the Fourth Proportional to 53,756.21, 74,184.09 and 29,558.42

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Solution

The fourth proportional to 53,756.21, 74,184.09 and 29,558.42 is: 40,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.21 : 74,184.09 = 29,558.42 : x
  2. Step 2: Convert to fraction form
    53,756.21/74,184.09 = 29,558.42/x
  3. Step 3: Cross multiply
    53,756.21x = 74,184.09 × 29,558.42
  4. Step 4: Simplify right side
    53,756.21x = 2,192,764,489.54
  5. Step 5: Solve for x
    x = 2,192,764,489.54/53,756.21
  6. Step 6: Final answer
    x = 40,790.91

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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.