Home / 38,381.89-57,574.89-12,088.69

Finding the Fourth Proportional to 38,381.89, 57,574.89 and 12,088.69

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Solution

The fourth proportional to 38,381.89, 57,574.89 and 12,088.69 is: 18,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.89 : 57,574.89 = 12,088.69 : x
  2. Step 2: Convert to fraction form
    38,381.89/57,574.89 = 12,088.69/x
  3. Step 3: Cross multiply
    38,381.89x = 57,574.89 × 12,088.69
  4. Step 4: Simplify right side
    38,381.89x = 696,004,709.12
  5. Step 5: Solve for x
    x = 696,004,709.12/38,381.89
  6. Step 6: Final answer
    x = 18,133.68

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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.