Home / 53,518.62-80,289.68-17,978.66

Finding the Fourth Proportional to 53,518.62, 80,289.68 and 17,978.66

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Solution

The fourth proportional to 53,518.62, 80,289.68 and 17,978.66 is: 26,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.62 : 80,289.68 = 17,978.66 : x
  2. Step 2: Convert to fraction form
    53,518.62/80,289.68 = 17,978.66/x
  3. Step 3: Cross multiply
    53,518.62x = 80,289.68 × 17,978.66
  4. Step 4: Simplify right side
    53,518.62x = 1,443,500,858.23
  5. Step 5: Solve for x
    x = 1,443,500,858.23/53,518.62
  6. Step 6: Final answer
    x = 26,971.94

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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.