Home / 45,336.80-68,005.20-30,591.20

Finding the Fourth Proportional to 45,336.80, 68,005.20 and 30,591.20

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Solution

The fourth proportional to 45,336.80, 68,005.20 and 30,591.20 is: 45,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.80 : 68,005.20 = 30,591.20 : x
  2. Step 2: Convert to fraction form
    45,336.80/68,005.20 = 30,591.20/x
  3. Step 3: Cross multiply
    45,336.80x = 68,005.20 × 30,591.20
  4. Step 4: Simplify right side
    45,336.80x = 2,080,360,674.24
  5. Step 5: Solve for x
    x = 2,080,360,674.24/45,336.80
  6. Step 6: Final answer
    x = 45,886.80

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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.