Home / 36,631.80-50,549.88-20,715.36

Finding the Fourth Proportional to 36,631.80, 50,549.88 and 20,715.36

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Solution

The fourth proportional to 36,631.80, 50,549.88 and 20,715.36 is: 28,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.80 : 50,549.88 = 20,715.36 : x
  2. Step 2: Convert to fraction form
    36,631.80/50,549.88 = 20,715.36/x
  3. Step 3: Cross multiply
    36,631.80x = 50,549.88 × 20,715.36
  4. Step 4: Simplify right side
    36,631.80x = 1,047,158,962.16
  5. Step 5: Solve for x
    x = 1,047,158,962.16/36,631.80
  6. Step 6: Final answer
    x = 28,586.06

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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.