Home / 51,916.99-71,645.48-28,043.67

Finding the Fourth Proportional to 51,916.99, 71,645.48 and 28,043.67

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Solution

The fourth proportional to 51,916.99, 71,645.48 and 28,043.67 is: 38,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.99 : 71,645.48 = 28,043.67 : x
  2. Step 2: Convert to fraction form
    51,916.99/71,645.48 = 28,043.67/x
  3. Step 3: Cross multiply
    51,916.99x = 71,645.48 × 28,043.67
  4. Step 4: Simplify right side
    51,916.99x = 2,009,201,877.59
  5. Step 5: Solve for x
    x = 2,009,201,877.59/51,916.99
  6. Step 6: Final answer
    x = 38,700.28

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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.