Home / 53,603.10-80,404.65-18,546.30

Finding the Fourth Proportional to 53,603.10, 80,404.65 and 18,546.30

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Solution

The fourth proportional to 53,603.10, 80,404.65 and 18,546.30 is: 27,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.10 : 80,404.65 = 18,546.30 : x
  2. Step 2: Convert to fraction form
    53,603.10/80,404.65 = 18,546.30/x
  3. Step 3: Cross multiply
    53,603.10x = 80,404.65 × 18,546.30
  4. Step 4: Simplify right side
    53,603.10x = 1,491,208,760.30
  5. Step 5: Solve for x
    x = 1,491,208,760.30/53,603.10
  6. Step 6: Final answer
    x = 27,819.45

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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.