Home / 56,284.19-84,437.58-20,745.69

Finding the Fourth Proportional to 56,284.19, 84,437.58 and 20,745.69

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Solution

The fourth proportional to 56,284.19, 84,437.58 and 20,745.69 is: 31,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,284.19 : 84,437.58 = 20,745.69 : x
  2. Step 2: Convert to fraction form
    56,284.19/84,437.58 = 20,745.69/x
  3. Step 3: Cross multiply
    56,284.19x = 84,437.58 × 20,745.69
  4. Step 4: Simplify right side
    56,284.19x = 1,751,715,859.03
  5. Step 5: Solve for x
    x = 1,751,715,859.03/56,284.19
  6. Step 6: Final answer
    x = 31,122.70

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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.