Home / 35,380.86-53,063.30-10,422.60

Finding the Fourth Proportional to 35,380.86, 53,063.30 and 10,422.60

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Solution

The fourth proportional to 35,380.86, 53,063.30 and 10,422.60 is: 15,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.86 : 53,063.30 = 10,422.60 : x
  2. Step 2: Convert to fraction form
    35,380.86/53,063.30 = 10,422.60/x
  3. Step 3: Cross multiply
    35,380.86x = 53,063.30 × 10,422.60
  4. Step 4: Simplify right side
    35,380.86x = 553,057,550.58
  5. Step 5: Solve for x
    x = 553,057,550.58/35,380.86
  6. Step 6: Final answer
    x = 15,631.55

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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.