Home / 39,789.39-59,670.72-20,055.36

Finding the Fourth Proportional to 39,789.39, 59,670.72 and 20,055.36

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Solution

The fourth proportional to 39,789.39, 59,670.72 and 20,055.36 is: 30,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.39 : 59,670.72 = 20,055.36 : x
  2. Step 2: Convert to fraction form
    39,789.39/59,670.72 = 20,055.36/x
  3. Step 3: Cross multiply
    39,789.39x = 59,670.72 × 20,055.36
  4. Step 4: Simplify right side
    39,789.39x = 1,196,717,771.06
  5. Step 5: Solve for x
    x = 1,196,717,771.06/39,789.39
  6. Step 6: Final answer
    x = 30,076.30

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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.