Home / 32,403.60-48,605.40-30,872.70

Finding the Fourth Proportional to 32,403.60, 48,605.40 and 30,872.70

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Solution

The fourth proportional to 32,403.60, 48,605.40 and 30,872.70 is: 46,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,403.60 : 48,605.40 = 30,872.70 : x
  2. Step 2: Convert to fraction form
    32,403.60/48,605.40 = 30,872.70/x
  3. Step 3: Cross multiply
    32,403.60x = 48,605.40 × 30,872.70
  4. Step 4: Simplify right side
    32,403.60x = 1,500,579,932.58
  5. Step 5: Solve for x
    x = 1,500,579,932.58/32,403.60
  6. Step 6: Final answer
    x = 46,309.05

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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.