Home / 49,430.45-68,218.91-28,212.91

Finding the Fourth Proportional to 49,430.45, 68,218.91 and 28,212.91

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Solution

The fourth proportional to 49,430.45, 68,218.91 and 28,212.91 is: 38,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.45 : 68,218.91 = 28,212.91 : x
  2. Step 2: Convert to fraction form
    49,430.45/68,218.91 = 28,212.91/x
  3. Step 3: Cross multiply
    49,430.45x = 68,218.91 × 28,212.91
  4. Step 4: Simplify right side
    49,430.45x = 1,924,653,762.31
  5. Step 5: Solve for x
    x = 1,924,653,762.31/49,430.45
  6. Step 6: Final answer
    x = 38,936.60

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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.