Home / 34,228.65-47,235.06-19,121.58

Finding the Fourth Proportional to 34,228.65, 47,235.06 and 19,121.58

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Solution

The fourth proportional to 34,228.65, 47,235.06 and 19,121.58 is: 26,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,228.65 : 47,235.06 = 19,121.58 : x
  2. Step 2: Convert to fraction form
    34,228.65/47,235.06 = 19,121.58/x
  3. Step 3: Cross multiply
    34,228.65x = 47,235.06 × 19,121.58
  4. Step 4: Simplify right side
    34,228.65x = 903,208,978.59
  5. Step 5: Solve for x
    x = 903,208,978.59/34,228.65
  6. Step 6: Final answer
    x = 26,387.51

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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.