Home / 74,837.40-112,158.60-30,412.22

Finding the Fourth Proportional to 74,837.40, 112,158.60 and 30,412.22

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Solution

The fourth proportional to 74,837.40, 112,158.60 and 30,412.22 is: 45,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.40 : 112,158.60 = 30,412.22 : x
  2. Step 2: Convert to fraction form
    74,837.40/112,158.60 = 30,412.22/x
  3. Step 3: Cross multiply
    74,837.40x = 112,158.60 × 30,412.22
  4. Step 4: Simplify right side
    74,837.40x = 3,410,992,018.09
  5. Step 5: Solve for x
    x = 3,410,992,018.09/74,837.40
  6. Step 6: Final answer
    x = 45,578.71

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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.