Home / 36,476.79-54,715.25-20,883.63

Finding the Fourth Proportional to 36,476.79, 54,715.25 and 20,883.63

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Solution

The fourth proportional to 36,476.79, 54,715.25 and 20,883.63 is: 31,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,476.79 : 54,715.25 = 20,883.63 : x
  2. Step 2: Convert to fraction form
    36,476.79/54,715.25 = 20,883.63/x
  3. Step 3: Cross multiply
    36,476.79x = 54,715.25 × 20,883.63
  4. Step 4: Simplify right side
    36,476.79x = 1,142,652,931.94
  5. Step 5: Solve for x
    x = 1,142,652,931.94/36,476.79
  6. Step 6: Final answer
    x = 31,325.48

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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.