Home / 45,585.21-68,355.93-21,549.49

Finding the Fourth Proportional to 45,585.21, 68,355.93 and 21,549.49

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Solution

The fourth proportional to 45,585.21, 68,355.93 and 21,549.49 is: 32,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.21 : 68,355.93 = 21,549.49 : x
  2. Step 2: Convert to fraction form
    45,585.21/68,355.93 = 21,549.49/x
  3. Step 3: Cross multiply
    45,585.21x = 68,355.93 × 21,549.49
  4. Step 4: Simplify right side
    45,585.21x = 1,473,035,542.57
  5. Step 5: Solve for x
    x = 1,473,035,542.57/45,585.21
  6. Step 6: Final answer
    x = 32,313.90

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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.