Home / 34,630.32-51,945.89-12,459.54

Finding the Fourth Proportional to 34,630.32, 51,945.89 and 12,459.54

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Solution

The fourth proportional to 34,630.32, 51,945.89 and 12,459.54 is: 18,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.32 : 51,945.89 = 12,459.54 : x
  2. Step 2: Convert to fraction form
    34,630.32/51,945.89 = 12,459.54/x
  3. Step 3: Cross multiply
    34,630.32x = 51,945.89 × 12,459.54
  4. Step 4: Simplify right side
    34,630.32x = 647,221,831.99
  5. Step 5: Solve for x
    x = 647,221,831.99/34,630.32
  6. Step 6: Final answer
    x = 18,689.46

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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.