Home / 30,189.16-45,267.30-10,466.12

Finding the Fourth Proportional to 30,189.16, 45,267.30 and 10,466.12

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Solution

The fourth proportional to 30,189.16, 45,267.30 and 10,466.12 is: 15,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.16 : 45,267.30 = 10,466.12 : x
  2. Step 2: Convert to fraction form
    30,189.16/45,267.30 = 10,466.12/x
  3. Step 3: Cross multiply
    30,189.16x = 45,267.30 × 10,466.12
  4. Step 4: Simplify right side
    30,189.16x = 473,772,993.88
  5. Step 5: Solve for x
    x = 473,772,993.88/30,189.16
  6. Step 6: Final answer
    x = 15,693.48

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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.