Home / 49,454.46-74,210.85-18,311.58

Finding the Fourth Proportional to 49,454.46, 74,210.85 and 18,311.58

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Solution

The fourth proportional to 49,454.46, 74,210.85 and 18,311.58 is: 27,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,454.46 : 74,210.85 = 18,311.58 : x
  2. Step 2: Convert to fraction form
    49,454.46/74,210.85 = 18,311.58/x
  3. Step 3: Cross multiply
    49,454.46x = 74,210.85 × 18,311.58
  4. Step 4: Simplify right side
    49,454.46x = 1,358,917,916.64
  5. Step 5: Solve for x
    x = 1,358,917,916.64/49,454.46
  6. Step 6: Final answer
    x = 27,478.17

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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.