Home / 56,286-77,676.12-33,931.44

Finding the Fourth Proportional to 56,286, 77,676.12 and 33,931.44

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Solution

The fourth proportional to 56,286, 77,676.12 and 33,931.44 is: 46,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286 : 77,676.12 = 33,931.44 : x
  2. Step 2: Convert to fraction form
    56,286/77,676.12 = 33,931.44/x
  3. Step 3: Cross multiply
    56,286x = 77,676.12 × 33,931.44
  4. Step 4: Simplify right side
    56,286x = 2,635,662,605.21
  5. Step 5: Solve for x
    x = 2,635,662,605.21/56,286
  6. Step 6: Final answer
    x = 46,826.26

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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.