Home / 39,099.32-53,955.72-23,174.32

Finding the Fourth Proportional to 39,099.32, 53,955.72 and 23,174.32

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Solution

The fourth proportional to 39,099.32, 53,955.72 and 23,174.32 is: 31,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.32 : 53,955.72 = 23,174.32 : x
  2. Step 2: Convert to fraction form
    39,099.32/53,955.72 = 23,174.32/x
  3. Step 3: Cross multiply
    39,099.32x = 53,955.72 × 23,174.32
  4. Step 4: Simplify right side
    39,099.32x = 1,250,387,121.11
  5. Step 5: Solve for x
    x = 1,250,387,121.11/39,099.32
  6. Step 6: Final answer
    x = 31,979.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.