Home / 56,905.98-85,410.60-28,845.55

Finding the Fourth Proportional to 56,905.98, 85,410.60 and 28,845.55

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Solution

The fourth proportional to 56,905.98, 85,410.60 and 28,845.55 is: 43,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905.98 : 85,410.60 = 28,845.55 : x
  2. Step 2: Convert to fraction form
    56,905.98/85,410.60 = 28,845.55/x
  3. Step 3: Cross multiply
    56,905.98x = 85,410.60 × 28,845.55
  4. Step 4: Simplify right side
    56,905.98x = 2,463,715,732.83
  5. Step 5: Solve for x
    x = 2,463,715,732.83/56,905.98
  6. Step 6: Final answer
    x = 43,294.50

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1.5x scale

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.