Home / 39,359.58-54,316.26-21,454.24

Finding the Fourth Proportional to 39,359.58, 54,316.26 and 21,454.24

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Solution

The fourth proportional to 39,359.58, 54,316.26 and 21,454.24 is: 29,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359.58 : 54,316.26 = 21,454.24 : x
  2. Step 2: Convert to fraction form
    39,359.58/54,316.26 = 21,454.24/x
  3. Step 3: Cross multiply
    39,359.58x = 54,316.26 × 21,454.24
  4. Step 4: Simplify right side
    39,359.58x = 1,165,314,077.94
  5. Step 5: Solve for x
    x = 1,165,314,077.94/39,359.58
  6. Step 6: Final answer
    x = 29,606.87

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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.