Home / 49,161.40-73,742.10-12,225.40

Finding the Fourth Proportional to 49,161.40, 73,742.10 and 12,225.40

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Solution

The fourth proportional to 49,161.40, 73,742.10 and 12,225.40 is: 18,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161.40 : 73,742.10 = 12,225.40 : x
  2. Step 2: Convert to fraction form
    49,161.40/73,742.10 = 12,225.40/x
  3. Step 3: Cross multiply
    49,161.40x = 73,742.10 × 12,225.40
  4. Step 4: Simplify right side
    49,161.40x = 901,526,669.34
  5. Step 5: Solve for x
    x = 901,526,669.34/49,161.40
  6. Step 6: Final answer
    x = 18,338.10

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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.