Home / 38,490.56-52,950.48-31,401.44

Finding the Fourth Proportional to 38,490.56, 52,950.48 and 31,401.44

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Solution

The fourth proportional to 38,490.56, 52,950.48 and 31,401.44 is: 43,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.56 : 52,950.48 = 31,401.44 : x
  2. Step 2: Convert to fraction form
    38,490.56/52,950.48 = 31,401.44/x
  3. Step 3: Cross multiply
    38,490.56x = 52,950.48 × 31,401.44
  4. Step 4: Simplify right side
    38,490.56x = 1,662,721,320.69
  5. Step 5: Solve for x
    x = 1,662,721,320.69/38,490.56
  6. Step 6: Final answer
    x = 43,198.16

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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.