Home / 45,378.16-68,070.48-12,098.05

Finding the Fourth Proportional to 45,378.16, 68,070.48 and 12,098.05

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Solution

The fourth proportional to 45,378.16, 68,070.48 and 12,098.05 is: 18,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.16 : 68,070.48 = 12,098.05 : x
  2. Step 2: Convert to fraction form
    45,378.16/68,070.48 = 12,098.05/x
  3. Step 3: Cross multiply
    45,378.16x = 68,070.48 × 12,098.05
  4. Step 4: Simplify right side
    45,378.16x = 823,520,070.56
  5. Step 5: Solve for x
    x = 823,520,070.56/45,378.16
  6. Step 6: Final answer
    x = 18,147.94

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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.