Home / 56,474.35-84,719.39-19,045.13

Finding the Fourth Proportional to 56,474.35, 84,719.39 and 19,045.13

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Solution

The fourth proportional to 56,474.35, 84,719.39 and 19,045.13 is: 28,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.35 : 84,719.39 = 19,045.13 : x
  2. Step 2: Convert to fraction form
    56,474.35/84,719.39 = 19,045.13/x
  3. Step 3: Cross multiply
    56,474.35x = 84,719.39 × 19,045.13
  4. Step 4: Simplify right side
    56,474.35x = 1,613,491,277.25
  5. Step 5: Solve for x
    x = 1,613,491,277.25/56,474.35
  6. Step 6: Final answer
    x = 28,570.34

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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.