Home / 49,430.40-68,218.84-28,212.86

Finding the Fourth Proportional to 49,430.40, 68,218.84 and 28,212.86

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Solution

The fourth proportional to 49,430.40, 68,218.84 and 28,212.86 is: 38,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.40 : 68,218.84 = 28,212.86 : x
  2. Step 2: Convert to fraction form
    49,430.40/68,218.84 = 28,212.86/x
  3. Step 3: Cross multiply
    49,430.40x = 68,218.84 × 28,212.86
  4. Step 4: Simplify right side
    49,430.40x = 1,924,648,582.28
  5. Step 5: Solve for x
    x = 1,924,648,582.28/49,430.40
  6. Step 6: Final answer
    x = 38,936.54

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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.