Home / 31,023.75-46,551-12,303.38

Finding the Fourth Proportional to 31,023.75, 46,551 and 12,303.38

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Solution

The fourth proportional to 31,023.75, 46,551 and 12,303.38 is: 18,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.75 : 46,551 = 12,303.38 : x
  2. Step 2: Convert to fraction form
    31,023.75/46,551 = 12,303.38/x
  3. Step 3: Cross multiply
    31,023.75x = 46,551 × 12,303.38
  4. Step 4: Simplify right side
    31,023.75x = 572,734,409.63
  5. Step 5: Solve for x
    x = 572,734,409.63/31,023.75
  6. Step 6: Final answer
    x = 18,461.16

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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.