Home / 52,156.66-78,254.43-28,776.82

Finding the Fourth Proportional to 52,156.66, 78,254.43 and 28,776.82

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Solution

The fourth proportional to 52,156.66, 78,254.43 and 28,776.82 is: 43,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156.66 : 78,254.43 = 28,776.82 : x
  2. Step 2: Convert to fraction form
    52,156.66/78,254.43 = 28,776.82/x
  3. Step 3: Cross multiply
    52,156.66x = 78,254.43 × 28,776.82
  4. Step 4: Simplify right side
    52,156.66x = 2,251,913,646.31
  5. Step 5: Solve for x
    x = 2,251,913,646.31/52,156.66
  6. Step 6: Final answer
    x = 43,175.96

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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.