Home / 29,285.52-43,939.80-12,858

Finding the Fourth Proportional to 29,285.52, 43,939.80 and 12,858

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Solution

The fourth proportional to 29,285.52, 43,939.80 and 12,858 is: 19,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.52 : 43,939.80 = 12,858 : x
  2. Step 2: Convert to fraction form
    29,285.52/43,939.80 = 12,858/x
  3. Step 3: Cross multiply
    29,285.52x = 43,939.80 × 12,858
  4. Step 4: Simplify right side
    29,285.52x = 564,977,948.40
  5. Step 5: Solve for x
    x = 564,977,948.40/29,285.52
  6. Step 6: Final answer
    x = 19,292.06

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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.