Home / 38,381.40-57,568.32-13,416.84

Finding the Fourth Proportional to 38,381.40, 57,568.32 and 13,416.84

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Solution

The fourth proportional to 38,381.40, 57,568.32 and 13,416.84 is: 20,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.40 : 57,568.32 = 13,416.84 : x
  2. Step 2: Convert to fraction form
    38,381.40/57,568.32 = 13,416.84/x
  3. Step 3: Cross multiply
    38,381.40x = 57,568.32 × 13,416.84
  4. Step 4: Simplify right side
    38,381.40x = 772,384,938.51
  5. Step 5: Solve for x
    x = 772,384,938.51/38,381.40
  6. Step 6: Final answer
    x = 20,123.94

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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.