Home / 30,684.85-46,005.98-15,662.79

Finding the Fourth Proportional to 30,684.85, 46,005.98 and 15,662.79

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Solution

The fourth proportional to 30,684.85, 46,005.98 and 15,662.79 is: 23,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684.85 : 46,005.98 = 15,662.79 : x
  2. Step 2: Convert to fraction form
    30,684.85/46,005.98 = 15,662.79/x
  3. Step 3: Cross multiply
    30,684.85x = 46,005.98 × 15,662.79
  4. Step 4: Simplify right side
    30,684.85x = 720,581,925.17
  5. Step 5: Solve for x
    x = 720,581,925.17/30,684.85
  6. Step 6: Final answer
    x = 23,483.31

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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.