Home / 30,270.21-41,772.69-16,658.16

Finding the Fourth Proportional to 30,270.21, 41,772.69 and 16,658.16

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Solution

The fourth proportional to 30,270.21, 41,772.69 and 16,658.16 is: 22,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.21 : 41,772.69 = 16,658.16 : x
  2. Step 2: Convert to fraction form
    30,270.21/41,772.69 = 16,658.16/x
  3. Step 3: Cross multiply
    30,270.21x = 41,772.69 × 16,658.16
  4. Step 4: Simplify right side
    30,270.21x = 695,856,153.65
  5. Step 5: Solve for x
    x = 695,856,153.65/30,270.21
  6. Step 6: Final answer
    x = 22,988.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.