Home / 19,900.31-29,840.19-5,858.52

Finding the Fourth Proportional to 19,900.31, 29,840.19 and 5,858.52

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Solution

The fourth proportional to 19,900.31, 29,840.19 and 5,858.52 is: 8,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.31 : 29,840.19 = 5,858.52 : x
  2. Step 2: Convert to fraction form
    19,900.31/29,840.19 = 5,858.52/x
  3. Step 3: Cross multiply
    19,900.31x = 29,840.19 × 5,858.52
  4. Step 4: Simplify right side
    19,900.31x = 174,819,349.92
  5. Step 5: Solve for x
    x = 174,819,349.92/19,900.31
  6. Step 6: Final answer
    x = 8,784.76

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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.