Home / 40,553.81-60,834.32-14,258.78

Finding the Fourth Proportional to 40,553.81, 60,834.32 and 14,258.78

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Solution

The fourth proportional to 40,553.81, 60,834.32 and 14,258.78 is: 21,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553.81 : 60,834.32 = 14,258.78 : x
  2. Step 2: Convert to fraction form
    40,553.81/60,834.32 = 14,258.78/x
  3. Step 3: Cross multiply
    40,553.81x = 60,834.32 × 14,258.78
  4. Step 4: Simplify right side
    40,553.81x = 867,423,185.33
  5. Step 5: Solve for x
    x = 867,423,185.33/40,553.81
  6. Step 6: Final answer
    x = 21,389.44

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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.