Home / 30,370.43-45,556.73-8,184.35

Finding the Fourth Proportional to 30,370.43, 45,556.73 and 8,184.35

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Solution

The fourth proportional to 30,370.43, 45,556.73 and 8,184.35 is: 12,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.43 : 45,556.73 = 8,184.35 : x
  2. Step 2: Convert to fraction form
    30,370.43/45,556.73 = 8,184.35/x
  3. Step 3: Cross multiply
    30,370.43x = 45,556.73 × 8,184.35
  4. Step 4: Simplify right side
    30,370.43x = 372,852,296.15
  5. Step 5: Solve for x
    x = 372,852,296.15/30,370.43
  6. Step 6: Final answer
    x = 12,276.82

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1.5x scale

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.