Home / 35,533.30-49,034.19-20,415.25

Finding the Fourth Proportional to 35,533.30, 49,034.19 and 20,415.25

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Solution

The fourth proportional to 35,533.30, 49,034.19 and 20,415.25 is: 28,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,533.30 : 49,034.19 = 20,415.25 : x
  2. Step 2: Convert to fraction form
    35,533.30/49,034.19 = 20,415.25/x
  3. Step 3: Cross multiply
    35,533.30x = 49,034.19 × 20,415.25
  4. Step 4: Simplify right side
    35,533.30x = 1,001,045,247.40
  5. Step 5: Solve for x
    x = 1,001,045,247.40/35,533.30
  6. Step 6: Final answer
    x = 28,172.03

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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.