Home / 30,184.46-45,276.91-11,459.45

Finding the Fourth Proportional to 30,184.46, 45,276.91 and 11,459.45

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Solution

The fourth proportional to 30,184.46, 45,276.91 and 11,459.45 is: 17,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.46 : 45,276.91 = 11,459.45 : x
  2. Step 2: Convert to fraction form
    30,184.46/45,276.91 = 11,459.45/x
  3. Step 3: Cross multiply
    30,184.46x = 45,276.91 × 11,459.45
  4. Step 4: Simplify right side
    30,184.46x = 518,848,486.30
  5. Step 5: Solve for x
    x = 518,848,486.30/30,184.46
  6. Step 6: Final answer
    x = 17,189.26

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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.