Home / 35,917.72-53,858.56-20,929.68

Finding the Fourth Proportional to 35,917.72, 53,858.56 and 20,929.68

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Solution

The fourth proportional to 35,917.72, 53,858.56 and 20,929.68 is: 31,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.72 : 53,858.56 = 20,929.68 : x
  2. Step 2: Convert to fraction form
    35,917.72/53,858.56 = 20,929.68/x
  3. Step 3: Cross multiply
    35,917.72x = 53,858.56 × 20,929.68
  4. Step 4: Simplify right side
    35,917.72x = 1,127,242,426.06
  5. Step 5: Solve for x
    x = 1,127,242,426.06/35,917.72
  6. Step 6: Final answer
    x = 31,384.02

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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.