Home / 30,443.96-41,985.43-19,114.50

Finding the Fourth Proportional to 30,443.96, 41,985.43 and 19,114.50

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Solution

The fourth proportional to 30,443.96, 41,985.43 and 19,114.50 is: 26,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.96 : 41,985.43 = 19,114.50 : x
  2. Step 2: Convert to fraction form
    30,443.96/41,985.43 = 19,114.50/x
  3. Step 3: Cross multiply
    30,443.96x = 41,985.43 × 19,114.50
  4. Step 4: Simplify right side
    30,443.96x = 802,530,501.74
  5. Step 5: Solve for x
    x = 802,530,501.74/30,443.96
  6. Step 6: Final answer
    x = 26,360.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.