Home / 43,721.99-65,566.50-14,131.88

Finding the Fourth Proportional to 43,721.99, 65,566.50 and 14,131.88

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Solution

The fourth proportional to 43,721.99, 65,566.50 and 14,131.88 is: 21,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721.99 : 65,566.50 = 14,131.88 : x
  2. Step 2: Convert to fraction form
    43,721.99/65,566.50 = 14,131.88/x
  3. Step 3: Cross multiply
    43,721.99x = 65,566.50 × 14,131.88
  4. Step 4: Simplify right side
    43,721.99x = 926,577,582.19
  5. Step 5: Solve for x
    x = 926,577,582.19/43,721.99
  6. Step 6: Final answer
    x = 21,192.49

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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.