Home / 51,846.40-77,736.12-28,466.56

Finding the Fourth Proportional to 51,846.40, 77,736.12 and 28,466.56

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Solution

The fourth proportional to 51,846.40, 77,736.12 and 28,466.56 is: 42,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,846.40 : 77,736.12 = 28,466.56 : x
  2. Step 2: Convert to fraction form
    51,846.40/77,736.12 = 28,466.56/x
  3. Step 3: Cross multiply
    51,846.40x = 77,736.12 × 28,466.56
  4. Step 4: Simplify right side
    51,846.40x = 2,212,879,924.15
  5. Step 5: Solve for x
    x = 2,212,879,924.15/51,846.40
  6. Step 6: Final answer
    x = 42,681.46

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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.