Home / 56,946.40-78,584.16-31,795.36

Finding the Fourth Proportional to 56,946.40, 78,584.16 and 31,795.36

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Solution

The fourth proportional to 56,946.40, 78,584.16 and 31,795.36 is: 43,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.40 : 78,584.16 = 31,795.36 : x
  2. Step 2: Convert to fraction form
    56,946.40/78,584.16 = 31,795.36/x
  3. Step 3: Cross multiply
    56,946.40x = 78,584.16 × 31,795.36
  4. Step 4: Simplify right side
    56,946.40x = 2,498,611,657.50
  5. Step 5: Solve for x
    x = 2,498,611,657.50/56,946.40
  6. Step 6: Final answer
    x = 43,876.55

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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.