Home / 47,039.58-70,558.92-11,979.18

Finding the Fourth Proportional to 47,039.58, 70,558.92 and 11,979.18

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Solution

The fourth proportional to 47,039.58, 70,558.92 and 11,979.18 is: 17,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,039.58 : 70,558.92 = 11,979.18 : x
  2. Step 2: Convert to fraction form
    47,039.58/70,558.92 = 11,979.18/x
  3. Step 3: Cross multiply
    47,039.58x = 70,558.92 × 11,979.18
  4. Step 4: Simplify right side
    47,039.58x = 845,238,003.29
  5. Step 5: Solve for x
    x = 845,238,003.29/47,039.58
  6. Step 6: Final answer
    x = 17,968.66

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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.