Home / 52,785.27-79,178.43-13,342.40

Finding the Fourth Proportional to 52,785.27, 79,178.43 and 13,342.40

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Solution

The fourth proportional to 52,785.27, 79,178.43 and 13,342.40 is: 20,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.27 : 79,178.43 = 13,342.40 : x
  2. Step 2: Convert to fraction form
    52,785.27/79,178.43 = 13,342.40/x
  3. Step 3: Cross multiply
    52,785.27x = 79,178.43 × 13,342.40
  4. Step 4: Simplify right side
    52,785.27x = 1,056,429,888.54
  5. Step 5: Solve for x
    x = 1,056,429,888.54/52,785.27
  6. Step 6: Final answer
    x = 20,013.73

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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.