Home / 56,786.59-78,364.50-31,295.35

Finding the Fourth Proportional to 56,786.59, 78,364.50 and 31,295.35

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Solution

The fourth proportional to 56,786.59, 78,364.50 and 31,295.35 is: 43,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786.59 : 78,364.50 = 31,295.35 : x
  2. Step 2: Convert to fraction form
    56,786.59/78,364.50 = 31,295.35/x
  3. Step 3: Cross multiply
    56,786.59x = 78,364.50 × 31,295.35
  4. Step 4: Simplify right side
    56,786.59x = 2,452,444,063.25
  5. Step 5: Solve for x
    x = 2,452,444,063.25/56,786.59
  6. Step 6: Final answer
    x = 43,187.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.