Home / 33,547.12-46,295.24-20,979.12

Finding the Fourth Proportional to 33,547.12, 46,295.24 and 20,979.12

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Solution

The fourth proportional to 33,547.12, 46,295.24 and 20,979.12 is: 28,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,547.12 : 46,295.24 = 20,979.12 : x
  2. Step 2: Convert to fraction form
    33,547.12/46,295.24 = 20,979.12/x
  3. Step 3: Cross multiply
    33,547.12x = 46,295.24 × 20,979.12
  4. Step 4: Simplify right side
    33,547.12x = 971,233,395.39
  5. Step 5: Solve for x
    x = 971,233,395.39/33,547.12
  6. Step 6: Final answer
    x = 28,951.32

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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.