Home / 54,620.51-75,377.72-30,748.05

Finding the Fourth Proportional to 54,620.51, 75,377.72 and 30,748.05

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Solution

The fourth proportional to 54,620.51, 75,377.72 and 30,748.05 is: 42,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.51 : 75,377.72 = 30,748.05 : x
  2. Step 2: Convert to fraction form
    54,620.51/75,377.72 = 30,748.05/x
  3. Step 3: Cross multiply
    54,620.51x = 75,377.72 × 30,748.05
  4. Step 4: Simplify right side
    54,620.51x = 2,317,717,980.32
  5. Step 5: Solve for x
    x = 2,317,717,980.32/54,620.51
  6. Step 6: Final answer
    x = 42,433.11

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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.