Home / 53,518.87-80,287.57-17,983.65

Finding the Fourth Proportional to 53,518.87, 80,287.57 and 17,983.65

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Solution

The fourth proportional to 53,518.87, 80,287.57 and 17,983.65 is: 26,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.87 : 80,287.57 = 17,983.65 : x
  2. Step 2: Convert to fraction form
    53,518.87/80,287.57 = 17,983.65/x
  3. Step 3: Cross multiply
    53,518.87x = 80,287.57 × 17,983.65
  4. Step 4: Simplify right side
    53,518.87x = 1,443,863,558.23
  5. Step 5: Solve for x
    x = 1,443,863,558.23/53,518.87
  6. Step 6: Final answer
    x = 26,978.59

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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.