Home / 56,184.68-84,289.60-21,124.64

Finding the Fourth Proportional to 56,184.68, 84,289.60 and 21,124.64

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Solution

The fourth proportional to 56,184.68, 84,289.60 and 21,124.64 is: 31,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.68 : 84,289.60 = 21,124.64 : x
  2. Step 2: Convert to fraction form
    56,184.68/84,289.60 = 21,124.64/x
  3. Step 3: Cross multiply
    56,184.68x = 84,289.60 × 21,124.64
  4. Step 4: Simplify right side
    56,184.68x = 1,780,587,455.74
  5. Step 5: Solve for x
    x = 1,780,587,455.74/56,184.68
  6. Step 6: Final answer
    x = 31,691.69

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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.