Home / 54,980.24-75,872.34-31,106.39

Finding the Fourth Proportional to 54,980.24, 75,872.34 and 31,106.39

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Solution

The fourth proportional to 54,980.24, 75,872.34 and 31,106.39 is: 42,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.24 : 75,872.34 = 31,106.39 : x
  2. Step 2: Convert to fraction form
    54,980.24/75,872.34 = 31,106.39/x
  3. Step 3: Cross multiply
    54,980.24x = 75,872.34 × 31,106.39
  4. Step 4: Simplify right side
    54,980.24x = 2,360,114,218.89
  5. Step 5: Solve for x
    x = 2,360,114,218.89/54,980.24
  6. Step 6: Final answer
    x = 42,926.59

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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.