Home / 35,919.40-49,555.14-21,767.08

Finding the Fourth Proportional to 35,919.40, 49,555.14 and 21,767.08

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Solution

The fourth proportional to 35,919.40, 49,555.14 and 21,767.08 is: 30,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.40 : 49,555.14 = 21,767.08 : x
  2. Step 2: Convert to fraction form
    35,919.40/49,555.14 = 21,767.08/x
  3. Step 3: Cross multiply
    35,919.40x = 49,555.14 × 21,767.08
  4. Step 4: Simplify right side
    35,919.40x = 1,078,670,696.79
  5. Step 5: Solve for x
    x = 1,078,670,696.79/35,919.40
  6. Step 6: Final answer
    x = 30,030.31

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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.