Home / 47,120.56-70,653.49-19,017.61

Finding the Fourth Proportional to 47,120.56, 70,653.49 and 19,017.61

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Solution

The fourth proportional to 47,120.56, 70,653.49 and 19,017.61 is: 28,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.56 : 70,653.49 = 19,017.61 : x
  2. Step 2: Convert to fraction form
    47,120.56/70,653.49 = 19,017.61/x
  3. Step 3: Cross multiply
    47,120.56x = 70,653.49 × 19,017.61
  4. Step 4: Simplify right side
    47,120.56x = 1,343,660,293.78
  5. Step 5: Solve for x
    x = 1,343,660,293.78/47,120.56
  6. Step 6: Final answer
    x = 28,515.37

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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.