Home / 54,729.63-75,521.37-40,397.31

Finding the Fourth Proportional to 54,729.63, 75,521.37 and 40,397.31

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Solution

The fourth proportional to 54,729.63, 75,521.37 and 40,397.31 is: 55,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.63 : 75,521.37 = 40,397.31 : x
  2. Step 2: Convert to fraction form
    54,729.63/75,521.37 = 40,397.31/x
  3. Step 3: Cross multiply
    54,729.63x = 75,521.37 × 40,397.31
  4. Step 4: Simplify right side
    54,729.63x = 3,050,860,195.51
  5. Step 5: Solve for x
    x = 3,050,860,195.51/54,729.63
  6. Step 6: Final answer
    x = 55,744.21

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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.