Home / 47,330.56-70,995.76-12,270.24

Finding the Fourth Proportional to 47,330.56, 70,995.76 and 12,270.24

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Solution

The fourth proportional to 47,330.56, 70,995.76 and 12,270.24 is: 18,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,330.56 : 70,995.76 = 12,270.24 : x
  2. Step 2: Convert to fraction form
    47,330.56/70,995.76 = 12,270.24/x
  3. Step 3: Cross multiply
    47,330.56x = 70,995.76 × 12,270.24
  4. Step 4: Simplify right side
    47,330.56x = 871,135,014.18
  5. Step 5: Solve for x
    x = 871,135,014.18/47,330.56
  6. Step 6: Final answer
    x = 18,405.34

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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.