Home / 49,220.96-67,918.76-28,000.56

Finding the Fourth Proportional to 49,220.96, 67,918.76 and 28,000.56

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Solution

The fourth proportional to 49,220.96, 67,918.76 and 28,000.56 is: 38,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,220.96 : 67,918.76 = 28,000.56 : x
  2. Step 2: Convert to fraction form
    49,220.96/67,918.76 = 28,000.56/x
  3. Step 3: Cross multiply
    49,220.96x = 67,918.76 × 28,000.56
  4. Step 4: Simplify right side
    49,220.96x = 1,901,763,314.51
  5. Step 5: Solve for x
    x = 1,901,763,314.51/49,220.96
  6. Step 6: Final answer
    x = 38,637.27

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Double scale
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Similar ratio
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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.