Home / 52,661.08-78,980.80-19,369.56

Finding the Fourth Proportional to 52,661.08, 78,980.80 and 19,369.56

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Solution

The fourth proportional to 52,661.08, 78,980.80 and 19,369.56 is: 29,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661.08 : 78,980.80 = 19,369.56 : x
  2. Step 2: Convert to fraction form
    52,661.08/78,980.80 = 19,369.56/x
  3. Step 3: Cross multiply
    52,661.08x = 78,980.80 × 19,369.56
  4. Step 4: Simplify right side
    52,661.08x = 1,529,823,344.45
  5. Step 5: Solve for x
    x = 1,529,823,344.45/52,661.08
  6. Step 6: Final answer
    x = 29,050.36

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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.