Home / 39,570.50-59,355.76-11,868.50

Finding the Fourth Proportional to 39,570.50, 59,355.76 and 11,868.50

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Solution

The fourth proportional to 39,570.50, 59,355.76 and 11,868.50 is: 17,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.50 : 59,355.76 = 11,868.50 : x
  2. Step 2: Convert to fraction form
    39,570.50/59,355.76 = 11,868.50/x
  3. Step 3: Cross multiply
    39,570.50x = 59,355.76 × 11,868.50
  4. Step 4: Simplify right side
    39,570.50x = 704,463,837.56
  5. Step 5: Solve for x
    x = 704,463,837.56/39,570.50
  6. Step 6: Final answer
    x = 17,802.75

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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.