Home / 30,078.06-45,022.31-26,908.12

Finding the Fourth Proportional to 30,078.06, 45,022.31 and 26,908.12

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Solution

The fourth proportional to 30,078.06, 45,022.31 and 26,908.12 is: 40,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.06 : 45,022.31 = 26,908.12 : x
  2. Step 2: Convert to fraction form
    30,078.06/45,022.31 = 26,908.12/x
  3. Step 3: Cross multiply
    30,078.06x = 45,022.31 × 26,908.12
  4. Step 4: Simplify right side
    30,078.06x = 1,211,465,894.16
  5. Step 5: Solve for x
    x = 1,211,465,894.16/30,078.06
  6. Step 6: Final answer
    x = 40,277.40

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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.