Home / 48,228.80-72,343.20-28,529.60

Finding the Fourth Proportional to 48,228.80, 72,343.20 and 28,529.60

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Solution

The fourth proportional to 48,228.80, 72,343.20 and 28,529.60 is: 42,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.80 : 72,343.20 = 28,529.60 : x
  2. Step 2: Convert to fraction form
    48,228.80/72,343.20 = 28,529.60/x
  3. Step 3: Cross multiply
    48,228.80x = 72,343.20 × 28,529.60
  4. Step 4: Simplify right side
    48,228.80x = 2,063,922,558.72
  5. Step 5: Solve for x
    x = 2,063,922,558.72/48,228.80
  6. Step 6: Final answer
    x = 42,794.40

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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.