Home / 35,916.98-53,857.44-20,928.94

Finding the Fourth Proportional to 35,916.98, 53,857.44 and 20,928.94

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Solution

The fourth proportional to 35,916.98, 53,857.44 and 20,928.94 is: 31,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.98 : 53,857.44 = 20,928.94 : x
  2. Step 2: Convert to fraction form
    35,916.98/53,857.44 = 20,928.94/x
  3. Step 3: Cross multiply
    35,916.98x = 53,857.44 × 20,928.94
  4. Step 4: Simplify right side
    35,916.98x = 1,127,178,995.67
  5. Step 5: Solve for x
    x = 1,127,178,995.67/35,916.98
  6. Step 6: Final answer
    x = 31,382.90

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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.