Home / 55,573.64-83,369.12-18,629

Finding the Fourth Proportional to 55,573.64, 83,369.12 and 18,629

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Solution

The fourth proportional to 55,573.64, 83,369.12 and 18,629 is: 27,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.64 : 83,369.12 = 18,629 : x
  2. Step 2: Convert to fraction form
    55,573.64/83,369.12 = 18,629/x
  3. Step 3: Cross multiply
    55,573.64x = 83,369.12 × 18,629
  4. Step 4: Simplify right side
    55,573.64x = 1,553,083,336.48
  5. Step 5: Solve for x
    x = 1,553,083,336.48/55,573.64
  6. Step 6: Final answer
    x = 27,946.40

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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.