Home / 45,715.70-63,084.48-25,571.54

Finding the Fourth Proportional to 45,715.70, 63,084.48 and 25,571.54

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Solution

The fourth proportional to 45,715.70, 63,084.48 and 25,571.54 is: 35,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.70 : 63,084.48 = 25,571.54 : x
  2. Step 2: Convert to fraction form
    45,715.70/63,084.48 = 25,571.54/x
  3. Step 3: Cross multiply
    45,715.70x = 63,084.48 × 25,571.54
  4. Step 4: Simplify right side
    45,715.70x = 1,613,167,303.70
  5. Step 5: Solve for x
    x = 1,613,167,303.70/45,715.70
  6. Step 6: Final answer
    x = 35,286.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.