Home / 35,346.76-48,778.56-19,431.48

Finding the Fourth Proportional to 35,346.76, 48,778.56 and 19,431.48

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Solution

The fourth proportional to 35,346.76, 48,778.56 and 19,431.48 is: 26,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.76 : 48,778.56 = 19,431.48 : x
  2. Step 2: Convert to fraction form
    35,346.76/48,778.56 = 19,431.48/x
  3. Step 3: Cross multiply
    35,346.76x = 48,778.56 × 19,431.48
  4. Step 4: Simplify right side
    35,346.76x = 947,839,613.07
  5. Step 5: Solve for x
    x = 947,839,613.07/35,346.76
  6. Step 6: Final answer
    x = 26,815.46

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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.