Home / 31,745.65-47,625.14-12,023.77

Finding the Fourth Proportional to 31,745.65, 47,625.14 and 12,023.77

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Solution

The fourth proportional to 31,745.65, 47,625.14 and 12,023.77 is: 18,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.65 : 47,625.14 = 12,023.77 : x
  2. Step 2: Convert to fraction form
    31,745.65/47,625.14 = 12,023.77/x
  3. Step 3: Cross multiply
    31,745.65x = 47,625.14 × 12,023.77
  4. Step 4: Simplify right side
    31,745.65x = 572,633,669.46
  5. Step 5: Solve for x
    x = 572,633,669.46/31,745.65
  6. Step 6: Final answer
    x = 18,038.18

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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.