Home / 51,605.70-77,410.26-18,325.32

Finding the Fourth Proportional to 51,605.70, 77,410.26 and 18,325.32

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Solution

The fourth proportional to 51,605.70, 77,410.26 and 18,325.32 is: 27,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.70 : 77,410.26 = 18,325.32 : x
  2. Step 2: Convert to fraction form
    51,605.70/77,410.26 = 18,325.32/x
  3. Step 3: Cross multiply
    51,605.70x = 77,410.26 × 18,325.32
  4. Step 4: Simplify right side
    51,605.70x = 1,418,567,785.78
  5. Step 5: Solve for x
    x = 1,418,567,785.78/51,605.70
  6. Step 6: Final answer
    x = 27,488.59

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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.