Home / 35,507.28-53,246.16-12,135.36

Finding the Fourth Proportional to 35,507.28, 53,246.16 and 12,135.36

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Solution

The fourth proportional to 35,507.28, 53,246.16 and 12,135.36 is: 18,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.28 : 53,246.16 = 12,135.36 : x
  2. Step 2: Convert to fraction form
    35,507.28/53,246.16 = 12,135.36/x
  3. Step 3: Cross multiply
    35,507.28x = 53,246.16 × 12,135.36
  4. Step 4: Simplify right side
    35,507.28x = 646,161,320.22
  5. Step 5: Solve for x
    x = 646,161,320.22/35,507.28
  6. Step 6: Final answer
    x = 18,198.00

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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.