Home / 31,133.08-46,699.68-20,670.04

Finding the Fourth Proportional to 31,133.08, 46,699.68 and 20,670.04

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Solution

The fourth proportional to 31,133.08, 46,699.68 and 20,670.04 is: 31,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.08 : 46,699.68 = 20,670.04 : x
  2. Step 2: Convert to fraction form
    31,133.08/46,699.68 = 20,670.04/x
  3. Step 3: Cross multiply
    31,133.08x = 46,699.68 × 20,670.04
  4. Step 4: Simplify right side
    31,133.08x = 965,284,253.59
  5. Step 5: Solve for x
    x = 965,284,253.59/31,133.08
  6. Step 6: Final answer
    x = 31,005.10

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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.