Home / 35,475.74-53,221.36-11,790.54

Finding the Fourth Proportional to 35,475.74, 53,221.36 and 11,790.54

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Solution

The fourth proportional to 35,475.74, 53,221.36 and 11,790.54 is: 17,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.74 : 53,221.36 = 11,790.54 : x
  2. Step 2: Convert to fraction form
    35,475.74/53,221.36 = 11,790.54/x
  3. Step 3: Cross multiply
    35,475.74x = 53,221.36 × 11,790.54
  4. Step 4: Simplify right side
    35,475.74x = 627,508,573.93
  5. Step 5: Solve for x
    x = 627,508,573.93/35,475.74
  6. Step 6: Final answer
    x = 17,688.39

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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.