Home / 62,776.63-94,171.11-20,639.62

Finding the Fourth Proportional to 62,776.63, 94,171.11 and 20,639.62

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Solution

The fourth proportional to 62,776.63, 94,171.11 and 20,639.62 is: 30,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,776.63 : 94,171.11 = 20,639.62 : x
  2. Step 2: Convert to fraction form
    62,776.63/94,171.11 = 20,639.62/x
  3. Step 3: Cross multiply
    62,776.63x = 94,171.11 × 20,639.62
  4. Step 4: Simplify right side
    62,776.63x = 1,943,655,925.38
  5. Step 5: Solve for x
    x = 1,943,655,925.38/62,776.63
  6. Step 6: Final answer
    x = 30,961.46

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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.