Home / 31,671.94-47,500.88-14,130.58

Finding the Fourth Proportional to 31,671.94, 47,500.88 and 14,130.58

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Solution

The fourth proportional to 31,671.94, 47,500.88 and 14,130.58 is: 21,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671.94 : 47,500.88 = 14,130.58 : x
  2. Step 2: Convert to fraction form
    31,671.94/47,500.88 = 14,130.58/x
  3. Step 3: Cross multiply
    31,671.94x = 47,500.88 × 14,130.58
  4. Step 4: Simplify right side
    31,671.94x = 671,214,984.91
  5. Step 5: Solve for x
    x = 671,214,984.91/31,671.94
  6. Step 6: Final answer
    x = 21,192.73

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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.