Home / 36,088.89-54,133.40-13,912.71

Finding the Fourth Proportional to 36,088.89, 54,133.40 and 13,912.71

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Solution

The fourth proportional to 36,088.89, 54,133.40 and 13,912.71 is: 20,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088.89 : 54,133.40 = 13,912.71 : x
  2. Step 2: Convert to fraction form
    36,088.89/54,133.40 = 13,912.71/x
  3. Step 3: Cross multiply
    36,088.89x = 54,133.40 × 13,912.71
  4. Step 4: Simplify right side
    36,088.89x = 753,142,295.51
  5. Step 5: Solve for x
    x = 753,142,295.51/36,088.89
  6. Step 6: Final answer
    x = 20,869.09

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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.