Home / 42,804.04-64,171.26-17,862.66

Finding the Fourth Proportional to 42,804.04, 64,171.26 and 17,862.66

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Solution

The fourth proportional to 42,804.04, 64,171.26 and 17,862.66 is: 26,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.04 : 64,171.26 = 17,862.66 : x
  2. Step 2: Convert to fraction form
    42,804.04/64,171.26 = 17,862.66/x
  3. Step 3: Cross multiply
    42,804.04x = 64,171.26 × 17,862.66
  4. Step 4: Simplify right side
    42,804.04x = 1,146,269,399.15
  5. Step 5: Solve for x
    x = 1,146,269,399.15/42,804.04
  6. Step 6: Final answer
    x = 26,779.47

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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.