Home / 44,128.86-66,156.09-19,150.09

Finding the Fourth Proportional to 44,128.86, 66,156.09 and 19,150.09

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Solution

The fourth proportional to 44,128.86, 66,156.09 and 19,150.09 is: 28,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.86 : 66,156.09 = 19,150.09 : x
  2. Step 2: Convert to fraction form
    44,128.86/66,156.09 = 19,150.09/x
  3. Step 3: Cross multiply
    44,128.86x = 66,156.09 × 19,150.09
  4. Step 4: Simplify right side
    44,128.86x = 1,266,895,088.43
  5. Step 5: Solve for x
    x = 1,266,895,088.43/44,128.86
  6. Step 6: Final answer
    x = 28,708.99

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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.