Home / 54,699.12-75,484.78-30,826.65

Finding the Fourth Proportional to 54,699.12, 75,484.78 and 30,826.65

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Solution

The fourth proportional to 54,699.12, 75,484.78 and 30,826.65 is: 42,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.12 : 75,484.78 = 30,826.65 : x
  2. Step 2: Convert to fraction form
    54,699.12/75,484.78 = 30,826.65/x
  3. Step 3: Cross multiply
    54,699.12x = 75,484.78 × 30,826.65
  4. Step 4: Simplify right side
    54,699.12x = 2,326,942,893.39
  5. Step 5: Solve for x
    x = 2,326,942,893.39/54,699.12
  6. Step 6: Final answer
    x = 42,540.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.