Home / 51,040.49-70,425.56-29,815.65

Finding the Fourth Proportional to 51,040.49, 70,425.56 and 29,815.65

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Solution

The fourth proportional to 51,040.49, 70,425.56 and 29,815.65 is: 41,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.49 : 70,425.56 = 29,815.65 : x
  2. Step 2: Convert to fraction form
    51,040.49/70,425.56 = 29,815.65/x
  3. Step 3: Cross multiply
    51,040.49x = 70,425.56 × 29,815.65
  4. Step 4: Simplify right side
    51,040.49x = 2,099,783,698.94
  5. Step 5: Solve for x
    x = 2,099,783,698.94/51,040.49
  6. Step 6: Final answer
    x = 41,139.57

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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.