Home / 53,677.46-80,517-18,618.24

Finding the Fourth Proportional to 53,677.46, 80,517 and 18,618.24

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Solution

The fourth proportional to 53,677.46, 80,517 and 18,618.24 is: 27,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.46 : 80,517 = 18,618.24 : x
  2. Step 2: Convert to fraction form
    53,677.46/80,517 = 18,618.24/x
  3. Step 3: Cross multiply
    53,677.46x = 80,517 × 18,618.24
  4. Step 4: Simplify right side
    53,677.46x = 1,499,084,830.08
  5. Step 5: Solve for x
    x = 1,499,084,830.08/53,677.46
  6. Step 6: Final answer
    x = 27,927.64

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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.