Home / 46,913.72-70,419.18-31,439.48

Finding the Fourth Proportional to 46,913.72, 70,419.18 and 31,439.48

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Solution

The fourth proportional to 46,913.72, 70,419.18 and 31,439.48 is: 47,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,913.72 : 70,419.18 = 31,439.48 : x
  2. Step 2: Convert to fraction form
    46,913.72/70,419.18 = 31,439.48/x
  3. Step 3: Cross multiply
    46,913.72x = 70,419.18 × 31,439.48
  4. Step 4: Simplify right side
    46,913.72x = 2,213,942,401.23
  5. Step 5: Solve for x
    x = 2,213,942,401.23/46,913.72
  6. Step 6: Final answer
    x = 47,191.79

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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.