Home / 35,645.63-49,190.23-19,729.13

Finding the Fourth Proportional to 35,645.63, 49,190.23 and 19,729.13

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Solution

The fourth proportional to 35,645.63, 49,190.23 and 19,729.13 is: 27,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.63 : 49,190.23 = 19,729.13 : x
  2. Step 2: Convert to fraction form
    35,645.63/49,190.23 = 19,729.13/x
  3. Step 3: Cross multiply
    35,645.63x = 49,190.23 × 19,729.13
  4. Step 4: Simplify right side
    35,645.63x = 970,480,442.40
  5. Step 5: Solve for x
    x = 970,480,442.40/35,645.63
  6. Step 6: Final answer
    x = 27,225.79

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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.