Home / 53,364.02-80,046.03-20,091.55

Finding the Fourth Proportional to 53,364.02, 80,046.03 and 20,091.55

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Solution

The fourth proportional to 53,364.02, 80,046.03 and 20,091.55 is: 30,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.02 : 80,046.03 = 20,091.55 : x
  2. Step 2: Convert to fraction form
    53,364.02/80,046.03 = 20,091.55/x
  3. Step 3: Cross multiply
    53,364.02x = 80,046.03 × 20,091.55
  4. Step 4: Simplify right side
    53,364.02x = 1,608,248,576.26
  5. Step 5: Solve for x
    x = 1,608,248,576.26/53,364.02
  6. Step 6: Final answer
    x = 30,137.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.