Home / 31,334.40-47,000.96-12,866.56

Finding the Fourth Proportional to 31,334.40, 47,000.96 and 12,866.56

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Solution

The fourth proportional to 31,334.40, 47,000.96 and 12,866.56 is: 19,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.40 : 47,000.96 = 12,866.56 : x
  2. Step 2: Convert to fraction form
    31,334.40/47,000.96 = 12,866.56/x
  3. Step 3: Cross multiply
    31,334.40x = 47,000.96 × 12,866.56
  4. Step 4: Simplify right side
    31,334.40x = 604,740,671.90
  5. Step 5: Solve for x
    x = 604,740,671.90/31,334.40
  6. Step 6: Final answer
    x = 19,299.58

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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.