Home / 53,768.40-80,652.60-40,646.40

Finding the Fourth Proportional to 53,768.40, 80,652.60 and 40,646.40

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Solution

The fourth proportional to 53,768.40, 80,652.60 and 40,646.40 is: 60,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,768.40 : 80,652.60 = 40,646.40 : x
  2. Step 2: Convert to fraction form
    53,768.40/80,652.60 = 40,646.40/x
  3. Step 3: Cross multiply
    53,768.40x = 80,652.60 × 40,646.40
  4. Step 4: Simplify right side
    53,768.40x = 3,278,237,840.64
  5. Step 5: Solve for x
    x = 3,278,237,840.64/53,768.40
  6. Step 6: Final answer
    x = 60,969.60

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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.