Home / 53,921.02-80,881.53-16,481.20

Finding the Fourth Proportional to 53,921.02, 80,881.53 and 16,481.20

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Solution

The fourth proportional to 53,921.02, 80,881.53 and 16,481.20 is: 24,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.02 : 80,881.53 = 16,481.20 : x
  2. Step 2: Convert to fraction form
    53,921.02/80,881.53 = 16,481.20/x
  3. Step 3: Cross multiply
    53,921.02x = 80,881.53 × 16,481.20
  4. Step 4: Simplify right side
    53,921.02x = 1,333,024,672.24
  5. Step 5: Solve for x
    x = 1,333,024,672.24/53,921.02
  6. Step 6: Final answer
    x = 24,721.80

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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.