Home / 54,320.63-74,965.93-30,124.36

Finding the Fourth Proportional to 54,320.63, 74,965.93 and 30,124.36

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Solution

The fourth proportional to 54,320.63, 74,965.93 and 30,124.36 is: 41,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.63 : 74,965.93 = 30,124.36 : x
  2. Step 2: Convert to fraction form
    54,320.63/74,965.93 = 30,124.36/x
  3. Step 3: Cross multiply
    54,320.63x = 74,965.93 × 30,124.36
  4. Step 4: Simplify right side
    54,320.63x = 2,258,300,663.05
  5. Step 5: Solve for x
    x = 2,258,300,663.05/54,320.63
  6. Step 6: Final answer
    x = 41,573.54

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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.