Home / 39,917.06-55,084.48-22,011.76

Finding the Fourth Proportional to 39,917.06, 55,084.48 and 22,011.76

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Solution

The fourth proportional to 39,917.06, 55,084.48 and 22,011.76 is: 30,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.06 : 55,084.48 = 22,011.76 : x
  2. Step 2: Convert to fraction form
    39,917.06/55,084.48 = 22,011.76/x
  3. Step 3: Cross multiply
    39,917.06x = 55,084.48 × 22,011.76
  4. Step 4: Simplify right side
    39,917.06x = 1,212,506,353.48
  5. Step 5: Solve for x
    x = 1,212,506,353.48/39,917.06
  6. Step 6: Final answer
    x = 30,375.64

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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.