Home / 31,848.85-47,774.37-14,318.74

Finding the Fourth Proportional to 31,848.85, 47,774.37 and 14,318.74

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Solution

The fourth proportional to 31,848.85, 47,774.37 and 14,318.74 is: 21,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.85 : 47,774.37 = 14,318.74 : x
  2. Step 2: Convert to fraction form
    31,848.85/47,774.37 = 14,318.74/x
  3. Step 3: Cross multiply
    31,848.85x = 47,774.37 × 14,318.74
  4. Step 4: Simplify right side
    31,848.85x = 684,068,782.69
  5. Step 5: Solve for x
    x = 684,068,782.69/31,848.85
  6. Step 6: Final answer
    x = 21,478.60

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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.