Home / 39,638.43-59,426.28-19,633.77

Finding the Fourth Proportional to 39,638.43, 59,426.28 and 19,633.77

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Solution

The fourth proportional to 39,638.43, 59,426.28 and 19,633.77 is: 29,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.43 : 59,426.28 = 19,633.77 : x
  2. Step 2: Convert to fraction form
    39,638.43/59,426.28 = 19,633.77/x
  3. Step 3: Cross multiply
    39,638.43x = 59,426.28 × 19,633.77
  4. Step 4: Simplify right side
    39,638.43x = 1,166,761,913.48
  5. Step 5: Solve for x
    x = 1,166,761,913.48/39,638.43
  6. Step 6: Final answer
    x = 29,435.12

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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.