Home / 31,026.63-46,512.50-12,319.77

Finding the Fourth Proportional to 31,026.63, 46,512.50 and 12,319.77

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Solution

The fourth proportional to 31,026.63, 46,512.50 and 12,319.77 is: 18,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.63 : 46,512.50 = 12,319.77 : x
  2. Step 2: Convert to fraction form
    31,026.63/46,512.50 = 12,319.77/x
  3. Step 3: Cross multiply
    31,026.63x = 46,512.50 × 12,319.77
  4. Step 4: Simplify right side
    31,026.63x = 573,023,240.53
  5. Step 5: Solve for x
    x = 573,023,240.53/31,026.63
  6. Step 6: Final answer
    x = 18,468.76

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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.