Home / 31,404.30-47,106.45-12,693.30

Finding the Fourth Proportional to 31,404.30, 47,106.45 and 12,693.30

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Solution

The fourth proportional to 31,404.30, 47,106.45 and 12,693.30 is: 19,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.30 : 47,106.45 = 12,693.30 : x
  2. Step 2: Convert to fraction form
    31,404.30/47,106.45 = 12,693.30/x
  3. Step 3: Cross multiply
    31,404.30x = 47,106.45 × 12,693.30
  4. Step 4: Simplify right side
    31,404.30x = 597,936,301.79
  5. Step 5: Solve for x
    x = 597,936,301.79/31,404.30
  6. Step 6: Final answer
    x = 19,039.95

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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.