Home / 47,040.62-70,431.80-30,359.34

Finding the Fourth Proportional to 47,040.62, 70,431.80 and 30,359.34

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Solution

The fourth proportional to 47,040.62, 70,431.80 and 30,359.34 is: 45,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,040.62 : 70,431.80 = 30,359.34 : x
  2. Step 2: Convert to fraction form
    47,040.62/70,431.80 = 30,359.34/x
  3. Step 3: Cross multiply
    47,040.62x = 70,431.80 × 30,359.34
  4. Step 4: Simplify right side
    47,040.62x = 2,138,262,811.22
  5. Step 5: Solve for x
    x = 2,138,262,811.22/47,040.62
  6. Step 6: Final answer
    x = 45,455.67

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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.