Home / 51,830.60-77,688.30-22,243.40

Finding the Fourth Proportional to 51,830.60, 77,688.30 and 22,243.40

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Solution

The fourth proportional to 51,830.60, 77,688.30 and 22,243.40 is: 33,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.60 : 77,688.30 = 22,243.40 : x
  2. Step 2: Convert to fraction form
    51,830.60/77,688.30 = 22,243.40/x
  3. Step 3: Cross multiply
    51,830.60x = 77,688.30 × 22,243.40
  4. Step 4: Simplify right side
    51,830.60x = 1,728,051,932.22
  5. Step 5: Solve for x
    x = 1,728,051,932.22/51,830.60
  6. Step 6: Final answer
    x = 33,340.38

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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.