Home / 45,516.18-68,274.20-12,684.18

Finding the Fourth Proportional to 45,516.18, 68,274.20 and 12,684.18

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Solution

The fourth proportional to 45,516.18, 68,274.20 and 12,684.18 is: 19,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516.18 : 68,274.20 = 12,684.18 : x
  2. Step 2: Convert to fraction form
    45,516.18/68,274.20 = 12,684.18/x
  3. Step 3: Cross multiply
    45,516.18x = 68,274.20 × 12,684.18
  4. Step 4: Simplify right side
    45,516.18x = 866,002,242.16
  5. Step 5: Solve for x
    x = 866,002,242.16/45,516.18
  6. Step 6: Final answer
    x = 19,026.25

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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.