Home / 53,845.41-80,805.02-18,785.07

Finding the Fourth Proportional to 53,845.41, 80,805.02 and 18,785.07

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Solution

The fourth proportional to 53,845.41, 80,805.02 and 18,785.07 is: 28,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.41 : 80,805.02 = 18,785.07 : x
  2. Step 2: Convert to fraction form
    53,845.41/80,805.02 = 18,785.07/x
  3. Step 3: Cross multiply
    53,845.41x = 80,805.02 × 18,785.07
  4. Step 4: Simplify right side
    53,845.41x = 1,517,927,553.03
  5. Step 5: Solve for x
    x = 1,517,927,553.03/53,845.41
  6. Step 6: Final answer
    x = 28,190.47

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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.