Home / 31,795.28-47,692.92-11,020.40

Finding the Fourth Proportional to 31,795.28, 47,692.92 and 11,020.40

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Solution

The fourth proportional to 31,795.28, 47,692.92 and 11,020.40 is: 16,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.28 : 47,692.92 = 11,020.40 : x
  2. Step 2: Convert to fraction form
    31,795.28/47,692.92 = 11,020.40/x
  3. Step 3: Cross multiply
    31,795.28x = 47,692.92 × 11,020.40
  4. Step 4: Simplify right side
    31,795.28x = 525,595,055.57
  5. Step 5: Solve for x
    x = 525,595,055.57/31,795.28
  6. Step 6: Final answer
    x = 16,530.60

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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.