Home / 51,589.37-77,390.94-20,417.33

Finding the Fourth Proportional to 51,589.37, 77,390.94 and 20,417.33

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Solution

The fourth proportional to 51,589.37, 77,390.94 and 20,417.33 is: 30,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.37 : 77,390.94 = 20,417.33 : x
  2. Step 2: Convert to fraction form
    51,589.37/77,390.94 = 20,417.33/x
  3. Step 3: Cross multiply
    51,589.37x = 77,390.94 × 20,417.33
  4. Step 4: Simplify right side
    51,589.37x = 1,580,116,360.99
  5. Step 5: Solve for x
    x = 1,580,116,360.99/51,589.37
  6. Step 6: Final answer
    x = 30,628.72

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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.