Home / 30,742.78-45,859.44-29,836.39

Finding the Fourth Proportional to 30,742.78, 45,859.44 and 29,836.39

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Solution

The fourth proportional to 30,742.78, 45,859.44 and 29,836.39 is: 44,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.78 : 45,859.44 = 29,836.39 : x
  2. Step 2: Convert to fraction form
    30,742.78/45,859.44 = 29,836.39/x
  3. Step 3: Cross multiply
    30,742.78x = 45,859.44 × 29,836.39
  4. Step 4: Simplify right side
    30,742.78x = 1,368,280,137.02
  5. Step 5: Solve for x
    x = 1,368,280,137.02/30,742.78
  6. Step 6: Final answer
    x = 44,507.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.