Home / 56,380.68-84,466.62-28,267.92

Finding the Fourth Proportional to 56,380.68, 84,466.62 and 28,267.92

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Solution

The fourth proportional to 56,380.68, 84,466.62 and 28,267.92 is: 42,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.68 : 84,466.62 = 28,267.92 : x
  2. Step 2: Convert to fraction form
    56,380.68/84,466.62 = 28,267.92/x
  3. Step 3: Cross multiply
    56,380.68x = 84,466.62 × 28,267.92
  4. Step 4: Simplify right side
    56,380.68x = 2,387,695,656.83
  5. Step 5: Solve for x
    x = 2,387,695,656.83/56,380.68
  6. Step 6: Final answer
    x = 42,349.54

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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.