Home / 45,623.67-68,438.52-21,936.21

Finding the Fourth Proportional to 45,623.67, 68,438.52 and 21,936.21

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Solution

The fourth proportional to 45,623.67, 68,438.52 and 21,936.21 is: 32,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.67 : 68,438.52 = 21,936.21 : x
  2. Step 2: Convert to fraction form
    45,623.67/68,438.52 = 21,936.21/x
  3. Step 3: Cross multiply
    45,623.67x = 68,438.52 × 21,936.21
  4. Step 4: Simplify right side
    45,623.67x = 1,501,281,746.81
  5. Step 5: Solve for x
    x = 1,501,281,746.81/45,623.67
  6. Step 6: Final answer
    x = 32,905.76

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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.