Home / 42,808.63-64,202.57-17,835.06

Finding the Fourth Proportional to 42,808.63, 64,202.57 and 17,835.06

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Solution

The fourth proportional to 42,808.63, 64,202.57 and 17,835.06 is: 26,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808.63 : 64,202.57 = 17,835.06 : x
  2. Step 2: Convert to fraction form
    42,808.63/64,202.57 = 17,835.06/x
  3. Step 3: Cross multiply
    42,808.63x = 64,202.57 × 17,835.06
  4. Step 4: Simplify right side
    42,808.63x = 1,145,056,358.17
  5. Step 5: Solve for x
    x = 1,145,056,358.17/42,808.63
  6. Step 6: Final answer
    x = 26,748.26

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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.