Home / 44,359.76-66,450.36-21,008.72

Finding the Fourth Proportional to 44,359.76, 66,450.36 and 21,008.72

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Solution

The fourth proportional to 44,359.76, 66,450.36 and 21,008.72 is: 31,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,359.76 : 66,450.36 = 21,008.72 : x
  2. Step 2: Convert to fraction form
    44,359.76/66,450.36 = 21,008.72/x
  3. Step 3: Cross multiply
    44,359.76x = 66,450.36 × 21,008.72
  4. Step 4: Simplify right side
    44,359.76x = 1,396,037,007.14
  5. Step 5: Solve for x
    x = 1,396,037,007.14/44,359.76
  6. Step 6: Final answer
    x = 31,470.80

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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.