Home / 56,368.11-84,512.12-28,267.89

Finding the Fourth Proportional to 56,368.11, 84,512.12 and 28,267.89

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Solution

The fourth proportional to 56,368.11, 84,512.12 and 28,267.89 is: 42,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368.11 : 84,512.12 = 28,267.89 : x
  2. Step 2: Convert to fraction form
    56,368.11/84,512.12 = 28,267.89/x
  3. Step 3: Cross multiply
    56,368.11x = 84,512.12 × 28,267.89
  4. Step 4: Simplify right side
    56,368.11x = 2,388,979,170.49
  5. Step 5: Solve for x
    x = 2,388,979,170.49/56,368.11
  6. Step 6: Final answer
    x = 42,381.75

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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.