Home / 30,455.44-42,054.36-25,446.40

Finding the Fourth Proportional to 30,455.44, 42,054.36 and 25,446.40

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Solution

The fourth proportional to 30,455.44, 42,054.36 and 25,446.40 is: 35,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.44 : 42,054.36 = 25,446.40 : x
  2. Step 2: Convert to fraction form
    30,455.44/42,054.36 = 25,446.40/x
  3. Step 3: Cross multiply
    30,455.44x = 42,054.36 × 25,446.40
  4. Step 4: Simplify right side
    30,455.44x = 1,070,132,066.30
  5. Step 5: Solve for x
    x = 1,070,132,066.30/30,455.44
  6. Step 6: Final answer
    x = 35,137.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.