Home / 39,771.30-54,881.09-23,415.88

Finding the Fourth Proportional to 39,771.30, 54,881.09 and 23,415.88

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Solution

The fourth proportional to 39,771.30, 54,881.09 and 23,415.88 is: 32,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.30 : 54,881.09 = 23,415.88 : x
  2. Step 2: Convert to fraction form
    39,771.30/54,881.09 = 23,415.88/x
  3. Step 3: Cross multiply
    39,771.30x = 54,881.09 × 23,415.88
  4. Step 4: Simplify right side
    39,771.30x = 1,285,089,017.71
  5. Step 5: Solve for x
    x = 1,285,089,017.71/39,771.30
  6. Step 6: Final answer
    x = 32,311.97

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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.