Home / 53,619.63-74,002.74-30,954.09

Finding the Fourth Proportional to 53,619.63, 74,002.74 and 30,954.09

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Solution

The fourth proportional to 53,619.63, 74,002.74 and 30,954.09 is: 42,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.63 : 74,002.74 = 30,954.09 : x
  2. Step 2: Convert to fraction form
    53,619.63/74,002.74 = 30,954.09/x
  3. Step 3: Cross multiply
    53,619.63x = 74,002.74 × 30,954.09
  4. Step 4: Simplify right side
    53,619.63x = 2,290,687,474.21
  5. Step 5: Solve for x
    x = 2,290,687,474.21/53,619.63
  6. Step 6: Final answer
    x = 42,721.06

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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.