Home / 31,007.90-46,504.87-8,820.79

Finding the Fourth Proportional to 31,007.90, 46,504.87 and 8,820.79

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Solution

The fourth proportional to 31,007.90, 46,504.87 and 8,820.79 is: 13,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.90 : 46,504.87 = 8,820.79 : x
  2. Step 2: Convert to fraction form
    31,007.90/46,504.87 = 8,820.79/x
  3. Step 3: Cross multiply
    31,007.90x = 46,504.87 × 8,820.79
  4. Step 4: Simplify right side
    31,007.90x = 410,209,692.25
  5. Step 5: Solve for x
    x = 410,209,692.25/31,007.90
  6. Step 6: Final answer
    x = 13,229.20

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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.