Home / 42,809.60-64,204.01-17,836.02

Finding the Fourth Proportional to 42,809.60, 64,204.01 and 17,836.02

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Solution

The fourth proportional to 42,809.60, 64,204.01 and 17,836.02 is: 26,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,809.60 : 64,204.01 = 17,836.02 : x
  2. Step 2: Convert to fraction form
    42,809.60/64,204.01 = 17,836.02/x
  3. Step 3: Cross multiply
    42,809.60x = 64,204.01 × 17,836.02
  4. Step 4: Simplify right side
    42,809.60x = 1,145,143,917.26
  5. Step 5: Solve for x
    x = 1,145,143,917.26/42,809.60
  6. Step 6: Final answer
    x = 26,749.70

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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.