Home / 31,773.45-47,630.71-12,038.82

Finding the Fourth Proportional to 31,773.45, 47,630.71 and 12,038.82

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Solution

The fourth proportional to 31,773.45, 47,630.71 and 12,038.82 is: 18,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,773.45 : 47,630.71 = 12,038.82 : x
  2. Step 2: Convert to fraction form
    31,773.45/47,630.71 = 12,038.82/x
  3. Step 3: Cross multiply
    31,773.45x = 47,630.71 × 12,038.82
  4. Step 4: Simplify right side
    31,773.45x = 573,417,544.16
  5. Step 5: Solve for x
    x = 573,417,544.16/31,773.45
  6. Step 6: Final answer
    x = 18,047.07

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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.