Home / 36,428.74-54,660.39-21,666.76

Finding the Fourth Proportional to 36,428.74, 54,660.39 and 21,666.76

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Solution

The fourth proportional to 36,428.74, 54,660.39 and 21,666.76 is: 32,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.74 : 54,660.39 = 21,666.76 : x
  2. Step 2: Convert to fraction form
    36,428.74/54,660.39 = 21,666.76/x
  3. Step 3: Cross multiply
    36,428.74x = 54,660.39 × 21,666.76
  4. Step 4: Simplify right side
    36,428.74x = 1,184,313,551.64
  5. Step 5: Solve for x
    x = 1,184,313,551.64/36,428.74
  6. Step 6: Final answer
    x = 32,510.42

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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.