Home / 35,581.60-53,320.56-20,003.68

Finding the Fourth Proportional to 35,581.60, 53,320.56 and 20,003.68

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Solution

The fourth proportional to 35,581.60, 53,320.56 and 20,003.68 is: 29,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.60 : 53,320.56 = 20,003.68 : x
  2. Step 2: Convert to fraction form
    35,581.60/53,320.56 = 20,003.68/x
  3. Step 3: Cross multiply
    35,581.60x = 53,320.56 × 20,003.68
  4. Step 4: Simplify right side
    35,581.60x = 1,066,607,419.66
  5. Step 5: Solve for x
    x = 1,066,607,419.66/35,581.60
  6. Step 6: Final answer
    x = 29,976.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.