Home / 38,173.80-52,676.88-21,403.56

Finding the Fourth Proportional to 38,173.80, 52,676.88 and 21,403.56

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Solution

The fourth proportional to 38,173.80, 52,676.88 and 21,403.56 is: 29,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.80 : 52,676.88 = 21,403.56 : x
  2. Step 2: Convert to fraction form
    38,173.80/52,676.88 = 21,403.56/x
  3. Step 3: Cross multiply
    38,173.80x = 52,676.88 × 21,403.56
  4. Step 4: Simplify right side
    38,173.80x = 1,127,472,761.69
  5. Step 5: Solve for x
    x = 1,127,472,761.69/38,173.80
  6. Step 6: Final answer
    x = 29,535.25

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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.