Home / 62,782.78-94,187.81-20,667.14

Finding the Fourth Proportional to 62,782.78, 94,187.81 and 20,667.14

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Solution

The fourth proportional to 62,782.78, 94,187.81 and 20,667.14 is: 31,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,782.78 : 94,187.81 = 20,667.14 : x
  2. Step 2: Convert to fraction form
    62,782.78/94,187.81 = 20,667.14/x
  3. Step 3: Cross multiply
    62,782.78x = 94,187.81 × 20,667.14
  4. Step 4: Simplify right side
    62,782.78x = 1,946,592,655.56
  5. Step 5: Solve for x
    x = 1,946,592,655.56/62,782.78
  6. Step 6: Final answer
    x = 31,005.20

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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.