Home / 56,765.44-78,412.80-51,466.24

Finding the Fourth Proportional to 56,765.44, 78,412.80 and 51,466.24

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Solution

The fourth proportional to 56,765.44, 78,412.80 and 51,466.24 is: 71,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.44 : 78,412.80 = 51,466.24 : x
  2. Step 2: Convert to fraction form
    56,765.44/78,412.80 = 51,466.24/x
  3. Step 3: Cross multiply
    56,765.44x = 78,412.80 × 51,466.24
  4. Step 4: Simplify right side
    56,765.44x = 4,035,611,983.87
  5. Step 5: Solve for x
    x = 4,035,611,983.87/56,765.44
  6. Step 6: Final answer
    x = 71,092.76

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1.5x scale

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.