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Finding the Fourth Proportional to 56,804.80, 85,207.20 and 23,520.32

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Solution

The fourth proportional to 56,804.80, 85,207.20 and 23,520.32 is: 35,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,804.80 : 85,207.20 = 23,520.32 : x
  2. Step 2: Convert to fraction form
    56,804.80/85,207.20 = 23,520.32/x
  3. Step 3: Cross multiply
    56,804.80x = 85,207.20 × 23,520.32
  4. Step 4: Simplify right side
    56,804.80x = 2,004,100,610.30
  5. Step 5: Solve for x
    x = 2,004,100,610.30/56,804.80
  6. Step 6: Final answer
    x = 35,280.48

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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.