Home / 34,771.48-47,984.40-18,855.91

Finding the Fourth Proportional to 34,771.48, 47,984.40 and 18,855.91

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Solution

The fourth proportional to 34,771.48, 47,984.40 and 18,855.91 is: 26,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.48 : 47,984.40 = 18,855.91 : x
  2. Step 2: Convert to fraction form
    34,771.48/47,984.40 = 18,855.91/x
  3. Step 3: Cross multiply
    34,771.48x = 47,984.40 × 18,855.91
  4. Step 4: Simplify right side
    34,771.48x = 904,789,722.74
  5. Step 5: Solve for x
    x = 904,789,722.74/34,771.48
  6. Step 6: Final answer
    x = 26,021.03

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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.