Home / 51,913.86-77,895.36-30,895.44

Finding the Fourth Proportional to 51,913.86, 77,895.36 and 30,895.44

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Solution

The fourth proportional to 51,913.86, 77,895.36 and 30,895.44 is: 46,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.86 : 77,895.36 = 30,895.44 : x
  2. Step 2: Convert to fraction form
    51,913.86/77,895.36 = 30,895.44/x
  3. Step 3: Cross multiply
    51,913.86x = 77,895.36 × 30,895.44
  4. Step 4: Simplify right side
    51,913.86x = 2,406,611,421.16
  5. Step 5: Solve for x
    x = 2,406,611,421.16/51,913.86
  6. Step 6: Final answer
    x = 46,357.78

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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.