Home / 36,009.60-49,673.28-21,102.72

Finding the Fourth Proportional to 36,009.60, 49,673.28 and 21,102.72

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Solution

The fourth proportional to 36,009.60, 49,673.28 and 21,102.72 is: 29,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.60 : 49,673.28 = 21,102.72 : x
  2. Step 2: Convert to fraction form
    36,009.60/49,673.28 = 21,102.72/x
  3. Step 3: Cross multiply
    36,009.60x = 49,673.28 × 21,102.72
  4. Step 4: Simplify right side
    36,009.60x = 1,048,241,319.32
  5. Step 5: Solve for x
    x = 1,048,241,319.32/36,009.60
  6. Step 6: Final answer
    x = 29,110.05

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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.