Home / 45,029.70-67,551.81-13,864.92

Finding the Fourth Proportional to 45,029.70, 67,551.81 and 13,864.92

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Solution

The fourth proportional to 45,029.70, 67,551.81 and 13,864.92 is: 20,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.70 : 67,551.81 = 13,864.92 : x
  2. Step 2: Convert to fraction form
    45,029.70/67,551.81 = 13,864.92/x
  3. Step 3: Cross multiply
    45,029.70x = 67,551.81 × 13,864.92
  4. Step 4: Simplify right side
    45,029.70x = 936,600,441.51
  5. Step 5: Solve for x
    x = 936,600,441.51/45,029.70
  6. Step 6: Final answer
    x = 20,799.62

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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.