Home / 29,325.37-43,987.68-7,138.77

Finding the Fourth Proportional to 29,325.37, 43,987.68 and 7,138.77

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Solution

The fourth proportional to 29,325.37, 43,987.68 and 7,138.77 is: 10,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.37 : 43,987.68 = 7,138.77 : x
  2. Step 2: Convert to fraction form
    29,325.37/43,987.68 = 7,138.77/x
  3. Step 3: Cross multiply
    29,325.37x = 43,987.68 × 7,138.77
  4. Step 4: Simplify right side
    29,325.37x = 314,017,930.35
  5. Step 5: Solve for x
    x = 314,017,930.35/29,325.37
  6. Step 6: Final answer
    x = 10,708.06

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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.