Home / 56,815.02-78,396.66-31,664.52

Finding the Fourth Proportional to 56,815.02, 78,396.66 and 31,664.52

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Solution

The fourth proportional to 56,815.02, 78,396.66 and 31,664.52 is: 43,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.02 : 78,396.66 = 31,664.52 : x
  2. Step 2: Convert to fraction form
    56,815.02/78,396.66 = 31,664.52/x
  3. Step 3: Cross multiply
    56,815.02x = 78,396.66 × 31,664.52
  4. Step 4: Simplify right side
    56,815.02x = 2,482,392,608.50
  5. Step 5: Solve for x
    x = 2,482,392,608.50/56,815.02
  6. Step 6: Final answer
    x = 43,692.54

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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.