Home / 31,929.64-47,897.34-12,208.37

Finding the Fourth Proportional to 31,929.64, 47,897.34 and 12,208.37

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Solution

The fourth proportional to 31,929.64, 47,897.34 and 12,208.37 is: 18,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.64 : 47,897.34 = 12,208.37 : x
  2. Step 2: Convert to fraction form
    31,929.64/47,897.34 = 12,208.37/x
  3. Step 3: Cross multiply
    31,929.64x = 47,897.34 × 12,208.37
  4. Step 4: Simplify right side
    31,929.64x = 584,748,209.25
  5. Step 5: Solve for x
    x = 584,748,209.25/31,929.64
  6. Step 6: Final answer
    x = 18,313.65

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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.