Home / 30,981.08-46,519-27,314.22

Finding the Fourth Proportional to 30,981.08, 46,519 and 27,314.22

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Solution

The fourth proportional to 30,981.08, 46,519 and 27,314.22 is: 41,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.08 : 46,519 = 27,314.22 : x
  2. Step 2: Convert to fraction form
    30,981.08/46,519 = 27,314.22/x
  3. Step 3: Cross multiply
    30,981.08x = 46,519 × 27,314.22
  4. Step 4: Simplify right side
    30,981.08x = 1,270,630,200.18
  5. Step 5: Solve for x
    x = 1,270,630,200.18/30,981.08
  6. Step 6: Final answer
    x = 41,013.10

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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.