Home / 30,461.90-45,673.27-12,704.81

Finding the Fourth Proportional to 30,461.90, 45,673.27 and 12,704.81

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Solution

The fourth proportional to 30,461.90, 45,673.27 and 12,704.81 is: 19,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461.90 : 45,673.27 = 12,704.81 : x
  2. Step 2: Convert to fraction form
    30,461.90/45,673.27 = 12,704.81/x
  3. Step 3: Cross multiply
    30,461.90x = 45,673.27 × 12,704.81
  4. Step 4: Simplify right side
    30,461.90x = 580,269,957.30
  5. Step 5: Solve for x
    x = 580,269,957.30/30,461.90
  6. Step 6: Final answer
    x = 19,049.04

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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.