Home / 35,685.58-49,242.30-19,768.47

Finding the Fourth Proportional to 35,685.58, 49,242.30 and 19,768.47

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Solution

The fourth proportional to 35,685.58, 49,242.30 and 19,768.47 is: 27,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.58 : 49,242.30 = 19,768.47 : x
  2. Step 2: Convert to fraction form
    35,685.58/49,242.30 = 19,768.47/x
  3. Step 3: Cross multiply
    35,685.58x = 49,242.30 × 19,768.47
  4. Step 4: Simplify right side
    35,685.58x = 973,445,115.28
  5. Step 5: Solve for x
    x = 973,445,115.28/35,685.58
  6. Step 6: Final answer
    x = 27,278.39

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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.