Home / 39,786.95-59,675.96-10,205.48

Finding the Fourth Proportional to 39,786.95, 59,675.96 and 10,205.48

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Solution

The fourth proportional to 39,786.95, 59,675.96 and 10,205.48 is: 15,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.95 : 59,675.96 = 10,205.48 : x
  2. Step 2: Convert to fraction form
    39,786.95/59,675.96 = 10,205.48/x
  3. Step 3: Cross multiply
    39,786.95x = 59,675.96 × 10,205.48
  4. Step 4: Simplify right side
    39,786.95x = 609,021,990.96
  5. Step 5: Solve for x
    x = 609,021,990.96/39,786.95
  6. Step 6: Final answer
    x = 15,307.08

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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.