Home / 34,089.85-47,043.98-19,945.43

Finding the Fourth Proportional to 34,089.85, 47,043.98 and 19,945.43

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Solution

The fourth proportional to 34,089.85, 47,043.98 and 19,945.43 is: 27,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,089.85 : 47,043.98 = 19,945.43 : x
  2. Step 2: Convert to fraction form
    34,089.85/47,043.98 = 19,945.43/x
  3. Step 3: Cross multiply
    34,089.85x = 47,043.98 × 19,945.43
  4. Step 4: Simplify right side
    34,089.85x = 938,312,224.66
  5. Step 5: Solve for x
    x = 938,312,224.66/34,089.85
  6. Step 6: Final answer
    x = 27,524.68

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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.