Home / 90,586.40-135,837.41-33,620.63

Finding the Fourth Proportional to 90,586.40, 135,837.41 and 33,620.63

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Solution

The fourth proportional to 90,586.40, 135,837.41 and 33,620.63 is: 50,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.40 : 135,837.41 = 33,620.63 : x
  2. Step 2: Convert to fraction form
    90,586.40/135,837.41 = 33,620.63/x
  3. Step 3: Cross multiply
    90,586.40x = 135,837.41 × 33,620.63
  4. Step 4: Simplify right side
    90,586.40x = 4,566,939,693.26
  5. Step 5: Solve for x
    x = 4,566,939,693.26/90,586.40
  6. Step 6: Final answer
    x = 50,415.29

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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.