Home / 53,418.02-80,132.42-13,975.47

Finding the Fourth Proportional to 53,418.02, 80,132.42 and 13,975.47

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Solution

The fourth proportional to 53,418.02, 80,132.42 and 13,975.47 is: 20,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.02 : 80,132.42 = 13,975.47 : x
  2. Step 2: Convert to fraction form
    53,418.02/80,132.42 = 13,975.47/x
  3. Step 3: Cross multiply
    53,418.02x = 80,132.42 × 13,975.47
  4. Step 4: Simplify right side
    53,418.02x = 1,119,888,266.68
  5. Step 5: Solve for x
    x = 1,119,888,266.68/53,418.02
  6. Step 6: Final answer
    x = 20,964.62

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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.