Home / 31,028.74-46,550.90-9,970.70

Finding the Fourth Proportional to 31,028.74, 46,550.90 and 9,970.70

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Solution

The fourth proportional to 31,028.74, 46,550.90 and 9,970.70 is: 14,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,028.74 : 46,550.90 = 9,970.70 : x
  2. Step 2: Convert to fraction form
    31,028.74/46,550.90 = 9,970.70/x
  3. Step 3: Cross multiply
    31,028.74x = 46,550.90 × 9,970.70
  4. Step 4: Simplify right side
    31,028.74x = 464,144,850.80
  5. Step 5: Solve for x
    x = 464,144,850.80/31,028.74
  6. Step 6: Final answer
    x = 14,958.55

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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.