Home / 49,531.63-68,337-28,295.86

Finding the Fourth Proportional to 49,531.63, 68,337 and 28,295.86

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Solution

The fourth proportional to 49,531.63, 68,337 and 28,295.86 is: 39,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531.63 : 68,337 = 28,295.86 : x
  2. Step 2: Convert to fraction form
    49,531.63/68,337 = 28,295.86/x
  3. Step 3: Cross multiply
    49,531.63x = 68,337 × 28,295.86
  4. Step 4: Simplify right side
    49,531.63x = 1,933,654,184.82
  5. Step 5: Solve for x
    x = 1,933,654,184.82/49,531.63
  6. Step 6: Final answer
    x = 39,038.78

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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.