Home / 30,303.75-41,728.92-29,631.66

Finding the Fourth Proportional to 30,303.75, 41,728.92 and 29,631.66

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Solution

The fourth proportional to 30,303.75, 41,728.92 and 29,631.66 is: 40,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.75 : 41,728.92 = 29,631.66 : x
  2. Step 2: Convert to fraction form
    30,303.75/41,728.92 = 29,631.66/x
  3. Step 3: Cross multiply
    30,303.75x = 41,728.92 × 29,631.66
  4. Step 4: Simplify right side
    30,303.75x = 1,236,496,902.01
  5. Step 5: Solve for x
    x = 1,236,496,902.01/30,303.75
  6. Step 6: Final answer
    x = 40,803.42

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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.