Home / 31,599.78-47,408.54-13,832.00

Finding the Fourth Proportional to 31,599.78, 47,408.54 and 13,832.00

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Solution

The fourth proportional to 31,599.78, 47,408.54 and 13,832.00 is: 20,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.78 : 47,408.54 = 13,832.00 : x
  2. Step 2: Convert to fraction form
    31,599.78/47,408.54 = 13,832.00/x
  3. Step 3: Cross multiply
    31,599.78x = 47,408.54 × 13,832.00
  4. Step 4: Simplify right side
    31,599.78x = 655,754,619.08
  5. Step 5: Solve for x
    x = 655,754,619.08/31,599.78
  6. Step 6: Final answer
    x = 20,751.87

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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.