Home / 31,914.06-47,866.08-12,188.24

Finding the Fourth Proportional to 31,914.06, 47,866.08 and 12,188.24

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Solution

The fourth proportional to 31,914.06, 47,866.08 and 12,188.24 is: 18,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.06 : 47,866.08 = 12,188.24 : x
  2. Step 2: Convert to fraction form
    31,914.06/47,866.08 = 12,188.24/x
  3. Step 3: Cross multiply
    31,914.06x = 47,866.08 × 12,188.24
  4. Step 4: Simplify right side
    31,914.06x = 583,403,031.57
  5. Step 5: Solve for x
    x = 583,403,031.57/31,914.06
  6. Step 6: Final answer
    x = 18,280.44

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1.5x scale

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.