Home / 39,195.65-58,795.72-11,113.51

Finding the Fourth Proportional to 39,195.65, 58,795.72 and 11,113.51

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Solution

The fourth proportional to 39,195.65, 58,795.72 and 11,113.51 is: 16,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.65 : 58,795.72 = 11,113.51 : x
  2. Step 2: Convert to fraction form
    39,195.65/58,795.72 = 11,113.51/x
  3. Step 3: Cross multiply
    39,195.65x = 58,795.72 × 11,113.51
  4. Step 4: Simplify right side
    39,195.65x = 653,426,647.40
  5. Step 5: Solve for x
    x = 653,426,647.40/39,195.65
  6. Step 6: Final answer
    x = 16,670.90

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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.