Home / 30,832.10-46,246.26-18,988.14

Finding the Fourth Proportional to 30,832.10, 46,246.26 and 18,988.14

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Solution

The fourth proportional to 30,832.10, 46,246.26 and 18,988.14 is: 28,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.10 : 46,246.26 = 18,988.14 : x
  2. Step 2: Convert to fraction form
    30,832.10/46,246.26 = 18,988.14/x
  3. Step 3: Cross multiply
    30,832.10x = 46,246.26 × 18,988.14
  4. Step 4: Simplify right side
    30,832.10x = 878,130,459.36
  5. Step 5: Solve for x
    x = 878,130,459.36/30,832.10
  6. Step 6: Final answer
    x = 28,481.05

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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.