Home / 47,401.24-71,040.12-19,288.48

Finding the Fourth Proportional to 47,401.24, 71,040.12 and 19,288.48

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Solution

The fourth proportional to 47,401.24, 71,040.12 and 19,288.48 is: 28,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.24 : 71,040.12 = 19,288.48 : x
  2. Step 2: Convert to fraction form
    47,401.24/71,040.12 = 19,288.48/x
  3. Step 3: Cross multiply
    47,401.24x = 71,040.12 × 19,288.48
  4. Step 4: Simplify right side
    47,401.24x = 1,370,255,933.82
  5. Step 5: Solve for x
    x = 1,370,255,933.82/47,401.24
  6. Step 6: Final answer
    x = 28,907.60

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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.