Home / 53,449.31-80,153.83-21,842.45

Finding the Fourth Proportional to 53,449.31, 80,153.83 and 21,842.45

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Solution

The fourth proportional to 53,449.31, 80,153.83 and 21,842.45 is: 32,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.31 : 80,153.83 = 21,842.45 : x
  2. Step 2: Convert to fraction form
    53,449.31/80,153.83 = 21,842.45/x
  3. Step 3: Cross multiply
    53,449.31x = 80,153.83 × 21,842.45
  4. Step 4: Simplify right side
    53,449.31x = 1,750,756,024.08
  5. Step 5: Solve for x
    x = 1,750,756,024.08/53,449.31
  6. Step 6: Final answer
    x = 32,755.45

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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.