Home / 47,106.12-70,661.61-12,046.08

Finding the Fourth Proportional to 47,106.12, 70,661.61 and 12,046.08

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Solution

The fourth proportional to 47,106.12, 70,661.61 and 12,046.08 is: 18,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,106.12 : 70,661.61 = 12,046.08 : x
  2. Step 2: Convert to fraction form
    47,106.12/70,661.61 = 12,046.08/x
  3. Step 3: Cross multiply
    47,106.12x = 70,661.61 × 12,046.08
  4. Step 4: Simplify right side
    47,106.12x = 851,195,406.99
  5. Step 5: Solve for x
    x = 851,195,406.99/47,106.12
  6. Step 6: Final answer
    x = 18,069.74

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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.