Home / 20,833.84-31,250.49-5,038.75

Finding the Fourth Proportional to 20,833.84, 31,250.49 and 5,038.75

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Solution

The fourth proportional to 20,833.84, 31,250.49 and 5,038.75 is: 7,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.84 : 31,250.49 = 5,038.75 : x
  2. Step 2: Convert to fraction form
    20,833.84/31,250.49 = 5,038.75/x
  3. Step 3: Cross multiply
    20,833.84x = 31,250.49 × 5,038.75
  4. Step 4: Simplify right side
    20,833.84x = 157,463,406.49
  5. Step 5: Solve for x
    x = 157,463,406.49/20,833.84
  6. Step 6: Final answer
    x = 7,558.06

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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.