Home / 31,688.08-47,536.44-10,906

Finding the Fourth Proportional to 31,688.08, 47,536.44 and 10,906

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Solution

The fourth proportional to 31,688.08, 47,536.44 and 10,906 is: 16,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.08 : 47,536.44 = 10,906 : x
  2. Step 2: Convert to fraction form
    31,688.08/47,536.44 = 10,906/x
  3. Step 3: Cross multiply
    31,688.08x = 47,536.44 × 10,906
  4. Step 4: Simplify right side
    31,688.08x = 518,432,414.64
  5. Step 5: Solve for x
    x = 518,432,414.64/31,688.08
  6. Step 6: Final answer
    x = 16,360.49

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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.