Home / 53,153.44-73,351.74-29,280.04

Finding the Fourth Proportional to 53,153.44, 73,351.74 and 29,280.04

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Solution

The fourth proportional to 53,153.44, 73,351.74 and 29,280.04 is: 40,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.44 : 73,351.74 = 29,280.04 : x
  2. Step 2: Convert to fraction form
    53,153.44/73,351.74 = 29,280.04/x
  3. Step 3: Cross multiply
    53,153.44x = 73,351.74 × 29,280.04
  4. Step 4: Simplify right side
    53,153.44x = 2,147,741,881.27
  5. Step 5: Solve for x
    x = 2,147,741,881.27/53,153.44
  6. Step 6: Final answer
    x = 40,406.45

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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.