Home / 43,428.32-65,154.80-22,383.78

Finding the Fourth Proportional to 43,428.32, 65,154.80 and 22,383.78

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Solution

The fourth proportional to 43,428.32, 65,154.80 and 22,383.78 is: 33,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428.32 : 65,154.80 = 22,383.78 : x
  2. Step 2: Convert to fraction form
    43,428.32/65,154.80 = 22,383.78/x
  3. Step 3: Cross multiply
    43,428.32x = 65,154.80 × 22,383.78
  4. Step 4: Simplify right side
    43,428.32x = 1,458,410,602.22
  5. Step 5: Solve for x
    x = 1,458,410,602.22/43,428.32
  6. Step 6: Final answer
    x = 33,582.02

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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.