Home / 38,399.98-52,992.50-21,403.76

Finding the Fourth Proportional to 38,399.98, 52,992.50 and 21,403.76

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Solution

The fourth proportional to 38,399.98, 52,992.50 and 21,403.76 is: 29,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.98 : 52,992.50 = 21,403.76 : x
  2. Step 2: Convert to fraction form
    38,399.98/52,992.50 = 21,403.76/x
  3. Step 3: Cross multiply
    38,399.98x = 52,992.50 × 21,403.76
  4. Step 4: Simplify right side
    38,399.98x = 1,134,238,751.80
  5. Step 5: Solve for x
    x = 1,134,238,751.80/38,399.98
  6. Step 6: Final answer
    x = 29,537.48

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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.