Home / 37,996.75-52,433.87-21,000.11

Finding the Fourth Proportional to 37,996.75, 52,433.87 and 21,000.11

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Solution

The fourth proportional to 37,996.75, 52,433.87 and 21,000.11 is: 28,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,996.75 : 52,433.87 = 21,000.11 : x
  2. Step 2: Convert to fraction form
    37,996.75/52,433.87 = 21,000.11/x
  3. Step 3: Cross multiply
    37,996.75x = 52,433.87 × 21,000.11
  4. Step 4: Simplify right side
    37,996.75x = 1,101,117,090.23
  5. Step 5: Solve for x
    x = 1,101,117,090.23/37,996.75
  6. Step 6: Final answer
    x = 28,979.25

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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.