Home / 39,381.21-59,063.75-11,293.74

Finding the Fourth Proportional to 39,381.21, 59,063.75 and 11,293.74

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Solution

The fourth proportional to 39,381.21, 59,063.75 and 11,293.74 is: 16,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,381.21 : 59,063.75 = 11,293.74 : x
  2. Step 2: Convert to fraction form
    39,381.21/59,063.75 = 11,293.74/x
  3. Step 3: Cross multiply
    39,381.21x = 59,063.75 × 11,293.74
  4. Step 4: Simplify right side
    39,381.21x = 667,050,340.61
  5. Step 5: Solve for x
    x = 667,050,340.61/39,381.21
  6. Step 6: Final answer
    x = 16,938.29

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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.