Home / 42,054.36-63,081.80-12,472.44

Finding the Fourth Proportional to 42,054.36, 63,081.80 and 12,472.44

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Solution

The fourth proportional to 42,054.36, 63,081.80 and 12,472.44 is: 18,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,054.36 : 63,081.80 = 12,472.44 : x
  2. Step 2: Convert to fraction form
    42,054.36/63,081.80 = 12,472.44/x
  3. Step 3: Cross multiply
    42,054.36x = 63,081.80 × 12,472.44
  4. Step 4: Simplify right side
    42,054.36x = 786,783,965.59
  5. Step 5: Solve for x
    x = 786,783,965.59/42,054.36
  6. Step 6: Final answer
    x = 18,708.74

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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.