Home / 35,338.05-53,007.12-13,148.55

Finding the Fourth Proportional to 35,338.05, 53,007.12 and 13,148.55

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Solution

The fourth proportional to 35,338.05, 53,007.12 and 13,148.55 is: 19,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.05 : 53,007.12 = 13,148.55 : x
  2. Step 2: Convert to fraction form
    35,338.05/53,007.12 = 13,148.55/x
  3. Step 3: Cross multiply
    35,338.05x = 53,007.12 × 13,148.55
  4. Step 4: Simplify right side
    35,338.05x = 696,966,767.68
  5. Step 5: Solve for x
    x = 696,966,767.68/35,338.05
  6. Step 6: Final answer
    x = 19,722.84

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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.