Home / 46,739.15-70,132.09-21,781.15

Finding the Fourth Proportional to 46,739.15, 70,132.09 and 21,781.15

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Solution

The fourth proportional to 46,739.15, 70,132.09 and 21,781.15 is: 32,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,739.15 : 70,132.09 = 21,781.15 : x
  2. Step 2: Convert to fraction form
    46,739.15/70,132.09 = 21,781.15/x
  3. Step 3: Cross multiply
    46,739.15x = 70,132.09 × 21,781.15
  4. Step 4: Simplify right side
    46,739.15x = 1,527,557,572.10
  5. Step 5: Solve for x
    x = 1,527,557,572.10/46,739.15
  6. Step 6: Final answer
    x = 32,682.61

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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.