Home / 45,569.75-68,385-17,512.97

Finding the Fourth Proportional to 45,569.75, 68,385 and 17,512.97

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Solution

The fourth proportional to 45,569.75, 68,385 and 17,512.97 is: 26,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.75 : 68,385 = 17,512.97 : x
  2. Step 2: Convert to fraction form
    45,569.75/68,385 = 17,512.97/x
  3. Step 3: Cross multiply
    45,569.75x = 68,385 × 17,512.97
  4. Step 4: Simplify right side
    45,569.75x = 1,197,624,453.45
  5. Step 5: Solve for x
    x = 1,197,624,453.45/45,569.75
  6. Step 6: Final answer
    x = 26,281.13

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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.