Home / 42,579.68-63,826.32-17,637.44

Finding the Fourth Proportional to 42,579.68, 63,826.32 and 17,637.44

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Solution

The fourth proportional to 42,579.68, 63,826.32 and 17,637.44 is: 26,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.68 : 63,826.32 = 17,637.44 : x
  2. Step 2: Convert to fraction form
    42,579.68/63,826.32 = 17,637.44/x
  3. Step 3: Cross multiply
    42,579.68x = 63,826.32 × 17,637.44
  4. Step 4: Simplify right side
    42,579.68x = 1,125,732,889.42
  5. Step 5: Solve for x
    x = 1,125,732,889.42/42,579.68
  6. Step 6: Final answer
    x = 26,438.27

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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.