Home / 31,769.23-47,593.69-21,207.40

Finding the Fourth Proportional to 31,769.23, 47,593.69 and 21,207.40

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Solution

The fourth proportional to 31,769.23, 47,593.69 and 21,207.40 is: 31,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.23 : 47,593.69 = 21,207.40 : x
  2. Step 2: Convert to fraction form
    31,769.23/47,593.69 = 21,207.40/x
  3. Step 3: Cross multiply
    31,769.23x = 47,593.69 × 21,207.40
  4. Step 4: Simplify right side
    31,769.23x = 1,009,338,421.31
  5. Step 5: Solve for x
    x = 1,009,338,421.31/31,769.23
  6. Step 6: Final answer
    x = 31,770.94

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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.