Home / 39,928.36-55,089.06-23,158.12

Finding the Fourth Proportional to 39,928.36, 55,089.06 and 23,158.12

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Solution

The fourth proportional to 39,928.36, 55,089.06 and 23,158.12 is: 31,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.36 : 55,089.06 = 23,158.12 : x
  2. Step 2: Convert to fraction form
    39,928.36/55,089.06 = 23,158.12/x
  3. Step 3: Cross multiply
    39,928.36x = 55,089.06 × 23,158.12
  4. Step 4: Simplify right side
    39,928.36x = 1,275,759,062.17
  5. Step 5: Solve for x
    x = 1,275,759,062.17/39,928.36
  6. Step 6: Final answer
    x = 31,951.20

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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.