Home / 31,019.24-46,549.70-30,905.10

Finding the Fourth Proportional to 31,019.24, 46,549.70 and 30,905.10

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Solution

The fourth proportional to 31,019.24, 46,549.70 and 30,905.10 is: 46,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,019.24 : 46,549.70 = 30,905.10 : x
  2. Step 2: Convert to fraction form
    31,019.24/46,549.70 = 30,905.10/x
  3. Step 3: Cross multiply
    31,019.24x = 46,549.70 × 30,905.10
  4. Step 4: Simplify right side
    31,019.24x = 1,438,623,269.22
  5. Step 5: Solve for x
    x = 1,438,623,269.22/31,019.24
  6. Step 6: Final answer
    x = 46,378.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.