Home / 29,138.23-43,702.64-10,415.08

Finding the Fourth Proportional to 29,138.23, 43,702.64 and 10,415.08

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Solution

The fourth proportional to 29,138.23, 43,702.64 and 10,415.08 is: 15,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.23 : 43,702.64 = 10,415.08 : x
  2. Step 2: Convert to fraction form
    29,138.23/43,702.64 = 10,415.08/x
  3. Step 3: Cross multiply
    29,138.23x = 43,702.64 × 10,415.08
  4. Step 4: Simplify right side
    29,138.23x = 455,166,533.42
  5. Step 5: Solve for x
    x = 455,166,533.42/29,138.23
  6. Step 6: Final answer
    x = 15,620.94

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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.