Home / 74,837.21-112,158.62-30,412.26

Finding the Fourth Proportional to 74,837.21, 112,158.62 and 30,412.26

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Solution

The fourth proportional to 74,837.21, 112,158.62 and 30,412.26 is: 45,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.21 : 112,158.62 = 30,412.26 : x
  2. Step 2: Convert to fraction form
    74,837.21/112,158.62 = 30,412.26/x
  3. Step 3: Cross multiply
    74,837.21x = 112,158.62 × 30,412.26
  4. Step 4: Simplify right side
    74,837.21x = 3,410,996,399.83
  5. Step 5: Solve for x
    x = 3,410,996,399.83/74,837.21
  6. Step 6: Final answer
    x = 45,578.88

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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.