Home / 30,770.48-46,139.63-14,116.07

Finding the Fourth Proportional to 30,770.48, 46,139.63 and 14,116.07

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Solution

The fourth proportional to 30,770.48, 46,139.63 and 14,116.07 is: 21,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.48 : 46,139.63 = 14,116.07 : x
  2. Step 2: Convert to fraction form
    30,770.48/46,139.63 = 14,116.07/x
  3. Step 3: Cross multiply
    30,770.48x = 46,139.63 × 14,116.07
  4. Step 4: Simplify right side
    30,770.48x = 651,310,291.62
  5. Step 5: Solve for x
    x = 651,310,291.62/30,770.48
  6. Step 6: Final answer
    x = 21,166.72

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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.