Home / 47,018.68-70,528.30-11,958.38

Finding the Fourth Proportional to 47,018.68, 70,528.30 and 11,958.38

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Solution

The fourth proportional to 47,018.68, 70,528.30 and 11,958.38 is: 17,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018.68 : 70,528.30 = 11,958.38 : x
  2. Step 2: Convert to fraction form
    47,018.68/70,528.30 = 11,958.38/x
  3. Step 3: Cross multiply
    47,018.68x = 70,528.30 × 11,958.38
  4. Step 4: Simplify right side
    47,018.68x = 843,404,212.15
  5. Step 5: Solve for x
    x = 843,404,212.15/47,018.68
  6. Step 6: Final answer
    x = 17,937.64

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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.