Home / 35,500.32-53,255.28-12,120.48

Finding the Fourth Proportional to 35,500.32, 53,255.28 and 12,120.48

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Solution

The fourth proportional to 35,500.32, 53,255.28 and 12,120.48 is: 18,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.32 : 53,255.28 = 12,120.48 : x
  2. Step 2: Convert to fraction form
    35,500.32/53,255.28 = 12,120.48/x
  3. Step 3: Cross multiply
    35,500.32x = 53,255.28 × 12,120.48
  4. Step 4: Simplify right side
    35,500.32x = 645,479,556.13
  5. Step 5: Solve for x
    x = 645,479,556.13/35,500.32
  6. Step 6: Final answer
    x = 18,182.36

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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.