Home / 35,556.52-53,276.40-12,170.20

Finding the Fourth Proportional to 35,556.52, 53,276.40 and 12,170.20

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Solution

The fourth proportional to 35,556.52, 53,276.40 and 12,170.20 is: 18,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.52 : 53,276.40 = 12,170.20 : x
  2. Step 2: Convert to fraction form
    35,556.52/53,276.40 = 12,170.20/x
  3. Step 3: Cross multiply
    35,556.52x = 53,276.40 × 12,170.20
  4. Step 4: Simplify right side
    35,556.52x = 648,384,443.28
  5. Step 5: Solve for x
    x = 648,384,443.28/35,556.52
  6. Step 6: Final answer
    x = 18,235.32

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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.