Home / 29,690.10-40,972.27-16,261.36

Finding the Fourth Proportional to 29,690.10, 40,972.27 and 16,261.36

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Solution

The fourth proportional to 29,690.10, 40,972.27 and 16,261.36 is: 22,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.10 : 40,972.27 = 16,261.36 : x
  2. Step 2: Convert to fraction form
    29,690.10/40,972.27 = 16,261.36/x
  3. Step 3: Cross multiply
    29,690.10x = 40,972.27 × 16,261.36
  4. Step 4: Simplify right side
    29,690.10x = 666,264,832.49
  5. Step 5: Solve for x
    x = 666,264,832.49/29,690.10
  6. Step 6: Final answer
    x = 22,440.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.