Home / 31,410.37-47,125.78-14,772.06

Finding the Fourth Proportional to 31,410.37, 47,125.78 and 14,772.06

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Solution

The fourth proportional to 31,410.37, 47,125.78 and 14,772.06 is: 22,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.37 : 47,125.78 = 14,772.06 : x
  2. Step 2: Convert to fraction form
    31,410.37/47,125.78 = 14,772.06/x
  3. Step 3: Cross multiply
    31,410.37x = 47,125.78 × 14,772.06
  4. Step 4: Simplify right side
    31,410.37x = 696,144,849.71
  5. Step 5: Solve for x
    x = 696,144,849.71/31,410.37
  6. Step 6: Final answer
    x = 22,162.90

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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.