Home / 35,433.32-53,149.91-9,138.02

Finding the Fourth Proportional to 35,433.32, 53,149.91 and 9,138.02

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Solution

The fourth proportional to 35,433.32, 53,149.91 and 9,138.02 is: 13,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,433.32 : 53,149.91 = 9,138.02 : x
  2. Step 2: Convert to fraction form
    35,433.32/53,149.91 = 9,138.02/x
  3. Step 3: Cross multiply
    35,433.32x = 53,149.91 × 9,138.02
  4. Step 4: Simplify right side
    35,433.32x = 485,684,629.14
  5. Step 5: Solve for x
    x = 485,684,629.14/35,433.32
  6. Step 6: Final answer
    x = 13,707.01

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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.