Home / 55,123.97-82,686.86-15,682.10

Finding the Fourth Proportional to 55,123.97, 82,686.86 and 15,682.10

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Solution

The fourth proportional to 55,123.97, 82,686.86 and 15,682.10 is: 23,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123.97 : 82,686.86 = 15,682.10 : x
  2. Step 2: Convert to fraction form
    55,123.97/82,686.86 = 15,682.10/x
  3. Step 3: Cross multiply
    55,123.97x = 82,686.86 × 15,682.10
  4. Step 4: Simplify right side
    55,123.97x = 1,296,703,115.36
  5. Step 5: Solve for x
    x = 1,296,703,115.36/55,123.97
  6. Step 6: Final answer
    x = 23,523.40

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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.