Home / 31,408.02-47,127.51-14,769.54

Finding the Fourth Proportional to 31,408.02, 47,127.51 and 14,769.54

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Solution

The fourth proportional to 31,408.02, 47,127.51 and 14,769.54 is: 22,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.02 : 47,127.51 = 14,769.54 : x
  2. Step 2: Convert to fraction form
    31,408.02/47,127.51 = 14,769.54/x
  3. Step 3: Cross multiply
    31,408.02x = 47,127.51 × 14,769.54
  4. Step 4: Simplify right side
    31,408.02x = 696,051,644.05
  5. Step 5: Solve for x
    x = 696,051,644.05/31,408.02
  6. Step 6: Final answer
    x = 22,161.59

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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.