Home / 55,427.45-83,153.46-15,981.49

Finding the Fourth Proportional to 55,427.45, 83,153.46 and 15,981.49

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Solution

The fourth proportional to 55,427.45, 83,153.46 and 15,981.49 is: 23,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.45 : 83,153.46 = 15,981.49 : x
  2. Step 2: Convert to fraction form
    55,427.45/83,153.46 = 15,981.49/x
  3. Step 3: Cross multiply
    55,427.45x = 83,153.46 × 15,981.49
  4. Step 4: Simplify right side
    55,427.45x = 1,328,916,189.46
  5. Step 5: Solve for x
    x = 1,328,916,189.46/55,427.45
  6. Step 6: Final answer
    x = 23,975.78

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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.