Home / 53,518.86-80,287.48-17,983.57

Finding the Fourth Proportional to 53,518.86, 80,287.48 and 17,983.57

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Solution

The fourth proportional to 53,518.86, 80,287.48 and 17,983.57 is: 26,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.86 : 80,287.48 = 17,983.57 : x
  2. Step 2: Convert to fraction form
    53,518.86/80,287.48 = 17,983.57/x
  3. Step 3: Cross multiply
    53,518.86x = 80,287.48 × 17,983.57
  4. Step 4: Simplify right side
    53,518.86x = 1,443,855,516.70
  5. Step 5: Solve for x
    x = 1,443,855,516.70/53,518.86
  6. Step 6: Final answer
    x = 26,978.44

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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.