Home / 31,897.36-47,849.96-10,840.87

Finding the Fourth Proportional to 31,897.36, 47,849.96 and 10,840.87

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Solution

The fourth proportional to 31,897.36, 47,849.96 and 10,840.87 is: 16,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.36 : 47,849.96 = 10,840.87 : x
  2. Step 2: Convert to fraction form
    31,897.36/47,849.96 = 10,840.87/x
  3. Step 3: Cross multiply
    31,897.36x = 47,849.96 × 10,840.87
  4. Step 4: Simplify right side
    31,897.36x = 518,735,141.66
  5. Step 5: Solve for x
    x = 518,735,141.66/31,897.36
  6. Step 6: Final answer
    x = 16,262.64

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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.