Home / 36,984.99-51,039.30-19,989.20

Finding the Fourth Proportional to 36,984.99, 51,039.30 and 19,989.20

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Solution

The fourth proportional to 36,984.99, 51,039.30 and 19,989.20 is: 27,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.99 : 51,039.30 = 19,989.20 : x
  2. Step 2: Convert to fraction form
    36,984.99/51,039.30 = 19,989.20/x
  3. Step 3: Cross multiply
    36,984.99x = 51,039.30 × 19,989.20
  4. Step 4: Simplify right side
    36,984.99x = 1,020,234,520.36
  5. Step 5: Solve for x
    x = 1,020,234,520.36/36,984.99
  6. Step 6: Final answer
    x = 27,585.10

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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.