Home / 34,782.13-47,998.97-19,674.55

Finding the Fourth Proportional to 34,782.13, 47,998.97 and 19,674.55

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Solution

The fourth proportional to 34,782.13, 47,998.97 and 19,674.55 is: 27,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,782.13 : 47,998.97 = 19,674.55 : x
  2. Step 2: Convert to fraction form
    34,782.13/47,998.97 = 19,674.55/x
  3. Step 3: Cross multiply
    34,782.13x = 47,998.97 × 19,674.55
  4. Step 4: Simplify right side
    34,782.13x = 944,358,036.84
  5. Step 5: Solve for x
    x = 944,358,036.84/34,782.13
  6. Step 6: Final answer
    x = 27,150.67

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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.