Home / 35,415.94-53,106.96-20,629.07

Finding the Fourth Proportional to 35,415.94, 53,106.96 and 20,629.07

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Solution

The fourth proportional to 35,415.94, 53,106.96 and 20,629.07 is: 30,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.94 : 53,106.96 = 20,629.07 : x
  2. Step 2: Convert to fraction form
    35,415.94/53,106.96 = 20,629.07/x
  3. Step 3: Cross multiply
    35,415.94x = 53,106.96 × 20,629.07
  4. Step 4: Simplify right side
    35,415.94x = 1,095,547,195.33
  5. Step 5: Solve for x
    x = 1,095,547,195.33/35,415.94
  6. Step 6: Final answer
    x = 30,933.74

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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.