Home / 31,206.60-46,816.65-9,018.12

Finding the Fourth Proportional to 31,206.60, 46,816.65 and 9,018.12

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Solution

The fourth proportional to 31,206.60, 46,816.65 and 9,018.12 is: 13,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.60 : 46,816.65 = 9,018.12 : x
  2. Step 2: Convert to fraction form
    31,206.60/46,816.65 = 9,018.12/x
  3. Step 3: Cross multiply
    31,206.60x = 46,816.65 × 9,018.12
  4. Step 4: Simplify right side
    31,206.60x = 422,198,167.70
  5. Step 5: Solve for x
    x = 422,198,167.70/31,206.60
  6. Step 6: Final answer
    x = 13,529.13

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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.