Home / 54,855.36-82,282.32-13,302.72

Finding the Fourth Proportional to 54,855.36, 82,282.32 and 13,302.72

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Solution

The fourth proportional to 54,855.36, 82,282.32 and 13,302.72 is: 19,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.36 : 82,282.32 = 13,302.72 : x
  2. Step 2: Convert to fraction form
    54,855.36/82,282.32 = 13,302.72/x
  3. Step 3: Cross multiply
    54,855.36x = 82,282.32 × 13,302.72
  4. Step 4: Simplify right side
    54,855.36x = 1,094,578,663.91
  5. Step 5: Solve for x
    x = 1,094,578,663.91/54,855.36
  6. Step 6: Final answer
    x = 19,953.91

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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.