Home / 30,106.46-45,161.13-14,537.18

Finding the Fourth Proportional to 30,106.46, 45,161.13 and 14,537.18

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Solution

The fourth proportional to 30,106.46, 45,161.13 and 14,537.18 is: 21,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.46 : 45,161.13 = 14,537.18 : x
  2. Step 2: Convert to fraction form
    30,106.46/45,161.13 = 14,537.18/x
  3. Step 3: Cross multiply
    30,106.46x = 45,161.13 × 14,537.18
  4. Step 4: Simplify right side
    30,106.46x = 656,515,475.81
  5. Step 5: Solve for x
    x = 656,515,475.81/30,106.46
  6. Step 6: Final answer
    x = 21,806.47

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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.