Home / 31,504.24-47,276.12-12,784.37

Finding the Fourth Proportional to 31,504.24, 47,276.12 and 12,784.37

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Solution

The fourth proportional to 31,504.24, 47,276.12 and 12,784.37 is: 19,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.24 : 47,276.12 = 12,784.37 : x
  2. Step 2: Convert to fraction form
    31,504.24/47,276.12 = 12,784.37/x
  3. Step 3: Cross multiply
    31,504.24x = 47,276.12 × 12,784.37
  4. Step 4: Simplify right side
    31,504.24x = 604,395,205.82
  5. Step 5: Solve for x
    x = 604,395,205.82/31,504.24
  6. Step 6: Final answer
    x = 19,184.57

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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.