Home / 30,966.28-46,403.98-19,243.96

Finding the Fourth Proportional to 30,966.28, 46,403.98 and 19,243.96

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Solution

The fourth proportional to 30,966.28, 46,403.98 and 19,243.96 is: 28,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.28 : 46,403.98 = 19,243.96 : x
  2. Step 2: Convert to fraction form
    30,966.28/46,403.98 = 19,243.96/x
  3. Step 3: Cross multiply
    30,966.28x = 46,403.98 × 19,243.96
  4. Step 4: Simplify right side
    30,966.28x = 892,996,334.96
  5. Step 5: Solve for x
    x = 892,996,334.96/30,966.28
  6. Step 6: Final answer
    x = 28,837.70

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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.