Home / 34,147.74-47,120.42-19,038.99

Finding the Fourth Proportional to 34,147.74, 47,120.42 and 19,038.99

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Solution

The fourth proportional to 34,147.74, 47,120.42 and 19,038.99 is: 26,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,147.74 : 47,120.42 = 19,038.99 : x
  2. Step 2: Convert to fraction form
    34,147.74/47,120.42 = 19,038.99/x
  3. Step 3: Cross multiply
    34,147.74x = 47,120.42 × 19,038.99
  4. Step 4: Simplify right side
    34,147.74x = 897,125,205.18
  5. Step 5: Solve for x
    x = 897,125,205.18/34,147.74
  6. Step 6: Final answer
    x = 26,271.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.