Home / 52,301.69-78,485.95-19,018.59

Finding the Fourth Proportional to 52,301.69, 78,485.95 and 19,018.59

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Solution

The fourth proportional to 52,301.69, 78,485.95 and 19,018.59 is: 28,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.69 : 78,485.95 = 19,018.59 : x
  2. Step 2: Convert to fraction form
    52,301.69/78,485.95 = 19,018.59/x
  3. Step 3: Cross multiply
    52,301.69x = 78,485.95 × 19,018.59
  4. Step 4: Simplify right side
    52,301.69x = 1,492,691,860.05
  5. Step 5: Solve for x
    x = 1,492,691,860.05/52,301.69
  6. Step 6: Final answer
    x = 28,540.03

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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.