Home / 38,365.68-57,548.70-13,405.62

Finding the Fourth Proportional to 38,365.68, 57,548.70 and 13,405.62

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Solution

The fourth proportional to 38,365.68, 57,548.70 and 13,405.62 is: 20,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.68 : 57,548.70 = 13,405.62 : x
  2. Step 2: Convert to fraction form
    38,365.68/57,548.70 = 13,405.62/x
  3. Step 3: Cross multiply
    38,365.68x = 57,548.70 × 13,405.62
  4. Step 4: Simplify right side
    38,365.68x = 771,476,003.69
  5. Step 5: Solve for x
    x = 771,476,003.69/38,365.68
  6. Step 6: Final answer
    x = 20,108.49

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1.5x scale

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.