Home / 35,409.20-53,116.20-12,037.40

Finding the Fourth Proportional to 35,409.20, 53,116.20 and 12,037.40

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Solution

The fourth proportional to 35,409.20, 53,116.20 and 12,037.40 is: 18,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.20 : 53,116.20 = 12,037.40 : x
  2. Step 2: Convert to fraction form
    35,409.20/53,116.20 = 12,037.40/x
  3. Step 3: Cross multiply
    35,409.20x = 53,116.20 × 12,037.40
  4. Step 4: Simplify right side
    35,409.20x = 639,380,945.88
  5. Step 5: Solve for x
    x = 639,380,945.88/35,409.20
  6. Step 6: Final answer
    x = 18,056.92

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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.