Home / 32,451.76-48,677.64-12,739.60

Finding the Fourth Proportional to 32,451.76, 48,677.64 and 12,739.60

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Solution

The fourth proportional to 32,451.76, 48,677.64 and 12,739.60 is: 19,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.76 : 48,677.64 = 12,739.60 : x
  2. Step 2: Convert to fraction form
    32,451.76/48,677.64 = 12,739.60/x
  3. Step 3: Cross multiply
    32,451.76x = 48,677.64 × 12,739.60
  4. Step 4: Simplify right side
    32,451.76x = 620,133,662.54
  5. Step 5: Solve for x
    x = 620,133,662.54/32,451.76
  6. Step 6: Final answer
    x = 19,109.40

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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.