Home / 35,182.32-52,757.64-12,991.92

Finding the Fourth Proportional to 35,182.32, 52,757.64 and 12,991.92

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Solution

The fourth proportional to 35,182.32, 52,757.64 and 12,991.92 is: 19,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,182.32 : 52,757.64 = 12,991.92 : x
  2. Step 2: Convert to fraction form
    35,182.32/52,757.64 = 12,991.92/x
  3. Step 3: Cross multiply
    35,182.32x = 52,757.64 × 12,991.92
  4. Step 4: Simplify right side
    35,182.32x = 685,423,038.27
  5. Step 5: Solve for x
    x = 685,423,038.27/35,182.32
  6. Step 6: Final answer
    x = 19,482.03

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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.