Home / 35,286.69-52,951.98-21,985.80

Finding the Fourth Proportional to 35,286.69, 52,951.98 and 21,985.80

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Solution

The fourth proportional to 35,286.69, 52,951.98 and 21,985.80 is: 32,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.69 : 52,951.98 = 21,985.80 : x
  2. Step 2: Convert to fraction form
    35,286.69/52,951.98 = 21,985.80/x
  3. Step 3: Cross multiply
    35,286.69x = 52,951.98 × 21,985.80
  4. Step 4: Simplify right side
    35,286.69x = 1,164,191,641.88
  5. Step 5: Solve for x
    x = 1,164,191,641.88/35,286.69
  6. Step 6: Final answer
    x = 32,992.37

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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.