Home / 48,737.60-73,106.40-19,145.60

Finding the Fourth Proportional to 48,737.60, 73,106.40 and 19,145.60

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Solution

The fourth proportional to 48,737.60, 73,106.40 and 19,145.60 is: 28,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,737.60 : 73,106.40 = 19,145.60 : x
  2. Step 2: Convert to fraction form
    48,737.60/73,106.40 = 19,145.60/x
  3. Step 3: Cross multiply
    48,737.60x = 73,106.40 × 19,145.60
  4. Step 4: Simplify right side
    48,737.60x = 1,399,665,891.84
  5. Step 5: Solve for x
    x = 1,399,665,891.84/48,737.60
  6. Step 6: Final answer
    x = 28,718.40

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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.