Home / 51,168.51-70,611.48-28,507.41

Finding the Fourth Proportional to 51,168.51, 70,611.48 and 28,507.41

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Solution

The fourth proportional to 51,168.51, 70,611.48 and 28,507.41 is: 39,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.51 : 70,611.48 = 28,507.41 : x
  2. Step 2: Convert to fraction form
    51,168.51/70,611.48 = 28,507.41/x
  3. Step 3: Cross multiply
    51,168.51x = 70,611.48 × 28,507.41
  4. Step 4: Simplify right side
    51,168.51x = 2,012,950,411.07
  5. Step 5: Solve for x
    x = 2,012,950,411.07/51,168.51
  6. Step 6: Final answer
    x = 39,339.63

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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.