Home / 51,012.72-76,415.40-33,490.80

Finding the Fourth Proportional to 51,012.72, 76,415.40 and 33,490.80

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Solution

The fourth proportional to 51,012.72, 76,415.40 and 33,490.80 is: 50,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.72 : 76,415.40 = 33,490.80 : x
  2. Step 2: Convert to fraction form
    51,012.72/76,415.40 = 33,490.80/x
  3. Step 3: Cross multiply
    51,012.72x = 76,415.40 × 33,490.80
  4. Step 4: Simplify right side
    51,012.72x = 2,559,212,878.32
  5. Step 5: Solve for x
    x = 2,559,212,878.32/51,012.72
  6. Step 6: Final answer
    x = 50,168.13

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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.