Home / 54,485.83-81,679.42-37,853.65

Finding the Fourth Proportional to 54,485.83, 81,679.42 and 37,853.65

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Solution

The fourth proportional to 54,485.83, 81,679.42 and 37,853.65 is: 56,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.83 : 81,679.42 = 37,853.65 : x
  2. Step 2: Convert to fraction form
    54,485.83/81,679.42 = 37,853.65/x
  3. Step 3: Cross multiply
    54,485.83x = 81,679.42 × 37,853.65
  4. Step 4: Simplify right side
    54,485.83x = 3,091,864,176.88
  5. Step 5: Solve for x
    x = 3,091,864,176.88/54,485.83
  6. Step 6: Final answer
    x = 56,746.21

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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.