Home / 31,125.26-46,695.29-8,938.15

Finding the Fourth Proportional to 31,125.26, 46,695.29 and 8,938.15

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Solution

The fourth proportional to 31,125.26, 46,695.29 and 8,938.15 is: 13,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.26 : 46,695.29 = 8,938.15 : x
  2. Step 2: Convert to fraction form
    31,125.26/46,695.29 = 8,938.15/x
  3. Step 3: Cross multiply
    31,125.26x = 46,695.29 × 8,938.15
  4. Step 4: Simplify right side
    31,125.26x = 417,369,344.88
  5. Step 5: Solve for x
    x = 417,369,344.88/31,125.26
  6. Step 6: Final answer
    x = 13,409.34

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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.