Home / 39,362.31-54,319.26-21,457.44

Finding the Fourth Proportional to 39,362.31, 54,319.26 and 21,457.44

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Solution

The fourth proportional to 39,362.31, 54,319.26 and 21,457.44 is: 29,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,362.31 : 54,319.26 = 21,457.44 : x
  2. Step 2: Convert to fraction form
    39,362.31/54,319.26 = 21,457.44/x
  3. Step 3: Cross multiply
    39,362.31x = 54,319.26 × 21,457.44
  4. Step 4: Simplify right side
    39,362.31x = 1,165,552,262.29
  5. Step 5: Solve for x
    x = 1,165,552,262.29/39,362.31
  6. Step 6: Final answer
    x = 29,610.87

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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.