Home / 39,317.24-54,257.76-21,412.24

Finding the Fourth Proportional to 39,317.24, 54,257.76 and 21,412.24

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Solution

The fourth proportional to 39,317.24, 54,257.76 and 21,412.24 is: 29,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,317.24 : 54,257.76 = 21,412.24 : x
  2. Step 2: Convert to fraction form
    39,317.24/54,257.76 = 21,412.24/x
  3. Step 3: Cross multiply
    39,317.24x = 54,257.76 × 21,412.24
  4. Step 4: Simplify right side
    39,317.24x = 1,161,780,178.98
  5. Step 5: Solve for x
    x = 1,161,780,178.98/39,317.24
  6. Step 6: Final answer
    x = 29,548.87

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1.5x scale

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.