Home / 51,669.63-77,308.81-30,620.97

Finding the Fourth Proportional to 51,669.63, 77,308.81 and 30,620.97

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Solution

The fourth proportional to 51,669.63, 77,308.81 and 30,620.97 is: 45,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.63 : 77,308.81 = 30,620.97 : x
  2. Step 2: Convert to fraction form
    51,669.63/77,308.81 = 30,620.97/x
  3. Step 3: Cross multiply
    51,669.63x = 77,308.81 × 30,620.97
  4. Step 4: Simplify right side
    51,669.63x = 2,367,270,675.19
  5. Step 5: Solve for x
    x = 2,367,270,675.19/51,669.63
  6. Step 6: Final answer
    x = 45,815.51

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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.