Home / 54,914.65-75,779.28-31,039.90

Finding the Fourth Proportional to 54,914.65, 75,779.28 and 31,039.90

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Solution

The fourth proportional to 54,914.65, 75,779.28 and 31,039.90 is: 42,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,914.65 : 75,779.28 = 31,039.90 : x
  2. Step 2: Convert to fraction form
    54,914.65/75,779.28 = 31,039.90/x
  3. Step 3: Cross multiply
    54,914.65x = 75,779.28 × 31,039.90
  4. Step 4: Simplify right side
    54,914.65x = 2,352,181,083.82
  5. Step 5: Solve for x
    x = 2,352,181,083.82/54,914.65
  6. Step 6: Final answer
    x = 42,833.40

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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.