Home / 29,002.64-43,371.12-21,612.24

Finding the Fourth Proportional to 29,002.64, 43,371.12 and 21,612.24

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Solution

The fourth proportional to 29,002.64, 43,371.12 and 21,612.24 is: 32,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.64 : 43,371.12 = 21,612.24 : x
  2. Step 2: Convert to fraction form
    29,002.64/43,371.12 = 21,612.24/x
  3. Step 3: Cross multiply
    29,002.64x = 43,371.12 × 21,612.24
  4. Step 4: Simplify right side
    29,002.64x = 937,347,054.51
  5. Step 5: Solve for x
    x = 937,347,054.51/29,002.64
  6. Step 6: Final answer
    x = 32,319.37

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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.