Home / 47,179.34-70,769.74-12,118.22

Finding the Fourth Proportional to 47,179.34, 70,769.74 and 12,118.22

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Solution

The fourth proportional to 47,179.34, 70,769.74 and 12,118.22 is: 18,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,179.34 : 70,769.74 = 12,118.22 : x
  2. Step 2: Convert to fraction form
    47,179.34/70,769.74 = 12,118.22/x
  3. Step 3: Cross multiply
    47,179.34x = 70,769.74 × 12,118.22
  4. Step 4: Simplify right side
    47,179.34x = 857,603,278.66
  5. Step 5: Solve for x
    x = 857,603,278.66/47,179.34
  6. Step 6: Final answer
    x = 18,177.52

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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.