Home / 48,152.16-72,179.04-18,558.40

Finding the Fourth Proportional to 48,152.16, 72,179.04 and 18,558.40

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Solution

The fourth proportional to 48,152.16, 72,179.04 and 18,558.40 is: 27,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,152.16 : 72,179.04 = 18,558.40 : x
  2. Step 2: Convert to fraction form
    48,152.16/72,179.04 = 18,558.40/x
  3. Step 3: Cross multiply
    48,152.16x = 72,179.04 × 18,558.40
  4. Step 4: Simplify right side
    48,152.16x = 1,339,527,495.94
  5. Step 5: Solve for x
    x = 1,339,527,495.94/48,152.16
  6. Step 6: Final answer
    x = 27,818.64

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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.