Home / 53,037.76-79,556.82-18,002.20

Finding the Fourth Proportional to 53,037.76, 79,556.82 and 18,002.20

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Solution

The fourth proportional to 53,037.76, 79,556.82 and 18,002.20 is: 27,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,037.76 : 79,556.82 = 18,002.20 : x
  2. Step 2: Convert to fraction form
    53,037.76/79,556.82 = 18,002.20/x
  3. Step 3: Cross multiply
    53,037.76x = 79,556.82 × 18,002.20
  4. Step 4: Simplify right side
    53,037.76x = 1,432,197,785.00
  5. Step 5: Solve for x
    x = 1,432,197,785.00/53,037.76
  6. Step 6: Final answer
    x = 27,003.36

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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.