Home / 53,648.46-80,445.69-18,578.70

Finding the Fourth Proportional to 53,648.46, 80,445.69 and 18,578.70

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Solution

The fourth proportional to 53,648.46, 80,445.69 and 18,578.70 is: 27,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.46 : 80,445.69 = 18,578.70 : x
  2. Step 2: Convert to fraction form
    53,648.46/80,445.69 = 18,578.70/x
  3. Step 3: Cross multiply
    53,648.46x = 80,445.69 × 18,578.70
  4. Step 4: Simplify right side
    53,648.46x = 1,494,576,340.80
  5. Step 5: Solve for x
    x = 1,494,576,340.80/53,648.46
  6. Step 6: Final answer
    x = 27,858.70

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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.