Home / 53,929.52-80,895.48-18,390.80

Finding the Fourth Proportional to 53,929.52, 80,895.48 and 18,390.80

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Solution

The fourth proportional to 53,929.52, 80,895.48 and 18,390.80 is: 27,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.52 : 80,895.48 = 18,390.80 : x
  2. Step 2: Convert to fraction form
    53,929.52/80,895.48 = 18,390.80/x
  3. Step 3: Cross multiply
    53,929.52x = 80,895.48 × 18,390.80
  4. Step 4: Simplify right side
    53,929.52x = 1,487,732,593.58
  5. Step 5: Solve for x
    x = 1,487,732,593.58/53,929.52
  6. Step 6: Final answer
    x = 27,586.61

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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.