Home / 29,322.12-43,983.18-11,779.68

Finding the Fourth Proportional to 29,322.12, 43,983.18 and 11,779.68

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Solution

The fourth proportional to 29,322.12, 43,983.18 and 11,779.68 is: 17,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322.12 : 43,983.18 = 11,779.68 : x
  2. Step 2: Convert to fraction form
    29,322.12/43,983.18 = 11,779.68/x
  3. Step 3: Cross multiply
    29,322.12x = 43,983.18 × 11,779.68
  4. Step 4: Simplify right side
    29,322.12x = 518,107,785.78
  5. Step 5: Solve for x
    x = 518,107,785.78/29,322.12
  6. Step 6: Final answer
    x = 17,669.52

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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.