Home / 35,587.89-53,366.31-13,385.79

Finding the Fourth Proportional to 35,587.89, 53,366.31 and 13,385.79

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Solution

The fourth proportional to 35,587.89, 53,366.31 and 13,385.79 is: 20,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.89 : 53,366.31 = 13,385.79 : x
  2. Step 2: Convert to fraction form
    35,587.89/53,366.31 = 13,385.79/x
  3. Step 3: Cross multiply
    35,587.89x = 53,366.31 × 13,385.79
  4. Step 4: Simplify right side
    35,587.89x = 714,350,218.73
  5. Step 5: Solve for x
    x = 714,350,218.73/35,587.89
  6. Step 6: Final answer
    x = 20,072.85

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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.