Home / 39,783.42-59,604.98-21,022.11

Finding the Fourth Proportional to 39,783.42, 59,604.98 and 21,022.11

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Solution

The fourth proportional to 39,783.42, 59,604.98 and 21,022.11 is: 31,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.42 : 59,604.98 = 21,022.11 : x
  2. Step 2: Convert to fraction form
    39,783.42/59,604.98 = 21,022.11/x
  3. Step 3: Cross multiply
    39,783.42x = 59,604.98 × 21,022.11
  4. Step 4: Simplify right side
    39,783.42x = 1,253,022,341.00
  5. Step 5: Solve for x
    x = 1,253,022,341.00/39,783.42
  6. Step 6: Final answer
    x = 31,496.09

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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.