Home / 38,459.73-57,686.86-10,381.39

Finding the Fourth Proportional to 38,459.73, 57,686.86 and 10,381.39

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Solution

The fourth proportional to 38,459.73, 57,686.86 and 10,381.39 is: 15,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.73 : 57,686.86 = 10,381.39 : x
  2. Step 2: Convert to fraction form
    38,459.73/57,686.86 = 10,381.39/x
  3. Step 3: Cross multiply
    38,459.73x = 57,686.86 × 10,381.39
  4. Step 4: Simplify right side
    38,459.73x = 598,869,451.19
  5. Step 5: Solve for x
    x = 598,869,451.19/38,459.73
  6. Step 6: Final answer
    x = 15,571.34

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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.