Home / 30,108.62-44,979.80-19,492.16

Finding the Fourth Proportional to 30,108.62, 44,979.80 and 19,492.16

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Solution

The fourth proportional to 30,108.62, 44,979.80 and 19,492.16 is: 29,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.62 : 44,979.80 = 19,492.16 : x
  2. Step 2: Convert to fraction form
    30,108.62/44,979.80 = 19,492.16/x
  3. Step 3: Cross multiply
    30,108.62x = 44,979.80 × 19,492.16
  4. Step 4: Simplify right side
    30,108.62x = 876,753,136.01
  5. Step 5: Solve for x
    x = 876,753,136.01/30,108.62
  6. Step 6: Final answer
    x = 29,119.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.