Home / 32,185.80-48,278.70-8,814.60

Finding the Fourth Proportional to 32,185.80, 48,278.70 and 8,814.60

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Solution

The fourth proportional to 32,185.80, 48,278.70 and 8,814.60 is: 13,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,185.80 : 48,278.70 = 8,814.60 : x
  2. Step 2: Convert to fraction form
    32,185.80/48,278.70 = 8,814.60/x
  3. Step 3: Cross multiply
    32,185.80x = 48,278.70 × 8,814.60
  4. Step 4: Simplify right side
    32,185.80x = 425,557,429.02
  5. Step 5: Solve for x
    x = 425,557,429.02/32,185.80
  6. Step 6: Final answer
    x = 13,221.90

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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.