Home / 52,785.69-79,178.66-12,804.51

Finding the Fourth Proportional to 52,785.69, 79,178.66 and 12,804.51

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Solution

The fourth proportional to 52,785.69, 79,178.66 and 12,804.51 is: 19,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.69 : 79,178.66 = 12,804.51 : x
  2. Step 2: Convert to fraction form
    52,785.69/79,178.66 = 12,804.51/x
  3. Step 3: Cross multiply
    52,785.69x = 79,178.66 × 12,804.51
  4. Step 4: Simplify right side
    52,785.69x = 1,013,843,943.76
  5. Step 5: Solve for x
    x = 1,013,843,943.76/52,785.69
  6. Step 6: Final answer
    x = 19,206.80

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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.