Home / 35,763.69-53,645.60-12,390.13

Finding the Fourth Proportional to 35,763.69, 53,645.60 and 12,390.13

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Solution

The fourth proportional to 35,763.69, 53,645.60 and 12,390.13 is: 18,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,763.69 : 53,645.60 = 12,390.13 : x
  2. Step 2: Convert to fraction form
    35,763.69/53,645.60 = 12,390.13/x
  3. Step 3: Cross multiply
    35,763.69x = 53,645.60 × 12,390.13
  4. Step 4: Simplify right side
    35,763.69x = 664,675,957.93
  5. Step 5: Solve for x
    x = 664,675,957.93/35,763.69
  6. Step 6: Final answer
    x = 18,585.22

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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.