Home / 35,760.07-53,640.15-12,386.51

Finding the Fourth Proportional to 35,760.07, 53,640.15 and 12,386.51

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Solution

The fourth proportional to 35,760.07, 53,640.15 and 12,386.51 is: 18,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,760.07 : 53,640.15 = 12,386.51 : x
  2. Step 2: Convert to fraction form
    35,760.07/53,640.15 = 12,386.51/x
  3. Step 3: Cross multiply
    35,760.07x = 53,640.15 × 12,386.51
  4. Step 4: Simplify right side
    35,760.07x = 664,413,986.18
  5. Step 5: Solve for x
    x = 664,413,986.18/35,760.07
  6. Step 6: Final answer
    x = 18,579.77

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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.