Home / 36,387.42-54,537.38-19,746.78

Finding the Fourth Proportional to 36,387.42, 54,537.38 and 19,746.78

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Solution

The fourth proportional to 36,387.42, 54,537.38 and 19,746.78 is: 29,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.42 : 54,537.38 = 19,746.78 : x
  2. Step 2: Convert to fraction form
    36,387.42/54,537.38 = 19,746.78/x
  3. Step 3: Cross multiply
    36,387.42x = 54,537.38 × 19,746.78
  4. Step 4: Simplify right side
    36,387.42x = 1,076,937,644.64
  5. Step 5: Solve for x
    x = 1,076,937,644.64/36,387.42
  6. Step 6: Final answer
    x = 29,596.43

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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.