Home / 30,276.90-41,783.33-18,333.50

Finding the Fourth Proportional to 30,276.90, 41,783.33 and 18,333.50

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Solution

The fourth proportional to 30,276.90, 41,783.33 and 18,333.50 is: 25,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.90 : 41,783.33 = 18,333.50 : x
  2. Step 2: Convert to fraction form
    30,276.90/41,783.33 = 18,333.50/x
  3. Step 3: Cross multiply
    30,276.90x = 41,783.33 × 18,333.50
  4. Step 4: Simplify right side
    30,276.90x = 766,034,680.56
  5. Step 5: Solve for x
    x = 766,034,680.56/30,276.90
  6. Step 6: Final answer
    x = 25,300.96

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1.5x scale

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.