Home / 36,740.37-55,082.79-18,963.31

Finding the Fourth Proportional to 36,740.37, 55,082.79 and 18,963.31

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Solution

The fourth proportional to 36,740.37, 55,082.79 and 18,963.31 is: 28,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,740.37 : 55,082.79 = 18,963.31 : x
  2. Step 2: Convert to fraction form
    36,740.37/55,082.79 = 18,963.31/x
  3. Step 3: Cross multiply
    36,740.37x = 55,082.79 × 18,963.31
  4. Step 4: Simplify right side
    36,740.37x = 1,044,551,886.42
  5. Step 5: Solve for x
    x = 1,044,551,886.42/36,740.37
  6. Step 6: Final answer
    x = 28,430.63

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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.