Home / 35,619.36-49,101.84-30,559.20

Finding the Fourth Proportional to 35,619.36, 49,101.84 and 30,559.20

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Solution

The fourth proportional to 35,619.36, 49,101.84 and 30,559.20 is: 42,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.36 : 49,101.84 = 30,559.20 : x
  2. Step 2: Convert to fraction form
    35,619.36/49,101.84 = 30,559.20/x
  3. Step 3: Cross multiply
    35,619.36x = 49,101.84 × 30,559.20
  4. Step 4: Simplify right side
    35,619.36x = 1,500,512,948.93
  5. Step 5: Solve for x
    x = 1,500,512,948.93/35,619.36
  6. Step 6: Final answer
    x = 42,126.33

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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.