Home / 34,429.89-51,535.44-18,612.39

Finding the Fourth Proportional to 34,429.89, 51,535.44 and 18,612.39

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Solution

The fourth proportional to 34,429.89, 51,535.44 and 18,612.39 is: 27,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,429.89 : 51,535.44 = 18,612.39 : x
  2. Step 2: Convert to fraction form
    34,429.89/51,535.44 = 18,612.39/x
  3. Step 3: Cross multiply
    34,429.89x = 51,535.44 × 18,612.39
  4. Step 4: Simplify right side
    34,429.89x = 959,197,708.10
  5. Step 5: Solve for x
    x = 959,197,708.10/34,429.89
  6. Step 6: Final answer
    x = 27,859.45

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1.5x scale

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.