Home / 54,913.08-82,313.10-21,619.65

Finding the Fourth Proportional to 54,913.08, 82,313.10 and 21,619.65

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Solution

The fourth proportional to 54,913.08, 82,313.10 and 21,619.65 is: 32,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.08 : 82,313.10 = 21,619.65 : x
  2. Step 2: Convert to fraction form
    54,913.08/82,313.10 = 21,619.65/x
  3. Step 3: Cross multiply
    54,913.08x = 82,313.10 × 21,619.65
  4. Step 4: Simplify right side
    54,913.08x = 1,779,580,412.42
  5. Step 5: Solve for x
    x = 1,779,580,412.42/54,913.08
  6. Step 6: Final answer
    x = 32,407.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.