Home / 42,886.36-64,347.90-17,932.24

Finding the Fourth Proportional to 42,886.36, 64,347.90 and 17,932.24

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Solution

The fourth proportional to 42,886.36, 64,347.90 and 17,932.24 is: 26,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,886.36 : 64,347.90 = 17,932.24 : x
  2. Step 2: Convert to fraction form
    42,886.36/64,347.90 = 17,932.24/x
  3. Step 3: Cross multiply
    42,886.36x = 64,347.90 × 17,932.24
  4. Step 4: Simplify right side
    42,886.36x = 1,153,901,986.30
  5. Step 5: Solve for x
    x = 1,153,901,986.30/42,886.36
  6. Step 6: Final answer
    x = 26,906.04

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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.