Home / 51,356.38-77,041.05-17,628.97

Finding the Fourth Proportional to 51,356.38, 77,041.05 and 17,628.97

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Solution

The fourth proportional to 51,356.38, 77,041.05 and 17,628.97 is: 26,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,356.38 : 77,041.05 = 17,628.97 : x
  2. Step 2: Convert to fraction form
    51,356.38/77,041.05 = 17,628.97/x
  3. Step 3: Cross multiply
    51,356.38x = 77,041.05 × 17,628.97
  4. Step 4: Simplify right side
    51,356.38x = 1,358,153,885.87
  5. Step 5: Solve for x
    x = 1,358,153,885.87/51,356.38
  6. Step 6: Final answer
    x = 26,445.67

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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.