Home / 36,701.16-50,647.80-20,787.06

Finding the Fourth Proportional to 36,701.16, 50,647.80 and 20,787.06

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Solution

The fourth proportional to 36,701.16, 50,647.80 and 20,787.06 is: 28,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.16 : 50,647.80 = 20,787.06 : x
  2. Step 2: Convert to fraction form
    36,701.16/50,647.80 = 20,787.06/x
  3. Step 3: Cross multiply
    36,701.16x = 50,647.80 × 20,787.06
  4. Step 4: Simplify right side
    36,701.16x = 1,052,818,857.47
  5. Step 5: Solve for x
    x = 1,052,818,857.47/36,701.16
  6. Step 6: Final answer
    x = 28,686.26

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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.