Home / 61,607.20-85,016.64-36,464.80

Finding the Fourth Proportional to 61,607.20, 85,016.64 and 36,464.80

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Solution

The fourth proportional to 61,607.20, 85,016.64 and 36,464.80 is: 50,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.20 : 85,016.64 = 36,464.80 : x
  2. Step 2: Convert to fraction form
    61,607.20/85,016.64 = 36,464.80/x
  3. Step 3: Cross multiply
    61,607.20x = 85,016.64 × 36,464.80
  4. Step 4: Simplify right side
    61,607.20x = 3,100,114,774.27
  5. Step 5: Solve for x
    x = 3,100,114,774.27/61,607.20
  6. Step 6: Final answer
    x = 50,320.66

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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.