Home / 53,728.87-74,220.02-48,940.87

Finding the Fourth Proportional to 53,728.87, 74,220.02 and 48,940.87

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Solution

The fourth proportional to 53,728.87, 74,220.02 and 48,940.87 is: 67,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.87 : 74,220.02 = 48,940.87 : x
  2. Step 2: Convert to fraction form
    53,728.87/74,220.02 = 48,940.87/x
  3. Step 3: Cross multiply
    53,728.87x = 74,220.02 × 48,940.87
  4. Step 4: Simplify right side
    53,728.87x = 3,632,392,350.22
  5. Step 5: Solve for x
    x = 3,632,392,350.22/53,728.87
  6. Step 6: Final answer
    x = 67,605.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.