Home / 45,148.10-67,699.31-26,434.04

Finding the Fourth Proportional to 45,148.10, 67,699.31 and 26,434.04

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Solution

The fourth proportional to 45,148.10, 67,699.31 and 26,434.04 is: 39,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.10 : 67,699.31 = 26,434.04 : x
  2. Step 2: Convert to fraction form
    45,148.10/67,699.31 = 26,434.04/x
  3. Step 3: Cross multiply
    45,148.10x = 67,699.31 × 26,434.04
  4. Step 4: Simplify right side
    45,148.10x = 1,789,565,797.85
  5. Step 5: Solve for x
    x = 1,789,565,797.85/45,148.10
  6. Step 6: Final answer
    x = 39,637.68

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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.