Home / 33,807.80-46,639.06-21,875.00

Finding the Fourth Proportional to 33,807.80, 46,639.06 and 21,875.00

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Solution

The fourth proportional to 33,807.80, 46,639.06 and 21,875.00 is: 30,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.80 : 46,639.06 = 21,875.00 : x
  2. Step 2: Convert to fraction form
    33,807.80/46,639.06 = 21,875.00/x
  3. Step 3: Cross multiply
    33,807.80x = 46,639.06 × 21,875.00
  4. Step 4: Simplify right side
    33,807.80x = 1,020,229,149.62
  5. Step 5: Solve for x
    x = 1,020,229,149.62/33,807.80
  6. Step 6: Final answer
    x = 30,177.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.