Home / 55,130.31-82,696.41-15,688.44

Finding the Fourth Proportional to 55,130.31, 82,696.41 and 15,688.44

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Solution

The fourth proportional to 55,130.31, 82,696.41 and 15,688.44 is: 23,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.31 : 82,696.41 = 15,688.44 : x
  2. Step 2: Convert to fraction form
    55,130.31/82,696.41 = 15,688.44/x
  3. Step 3: Cross multiply
    55,130.31x = 82,696.41 × 15,688.44
  4. Step 4: Simplify right side
    55,130.31x = 1,297,377,666.50
  5. Step 5: Solve for x
    x = 1,297,377,666.50/55,130.31
  6. Step 6: Final answer
    x = 23,532.93

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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.