Home / 21,470.04-32,183.16-19,578.32

Finding the Fourth Proportional to 21,470.04, 32,183.16 and 19,578.32

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Solution

The fourth proportional to 21,470.04, 32,183.16 and 19,578.32 is: 29,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470.04 : 32,183.16 = 19,578.32 : x
  2. Step 2: Convert to fraction form
    21,470.04/32,183.16 = 19,578.32/x
  3. Step 3: Cross multiply
    21,470.04x = 32,183.16 × 19,578.32
  4. Step 4: Simplify right side
    21,470.04x = 630,092,205.09
  5. Step 5: Solve for x
    x = 630,092,205.09/21,470.04
  6. Step 6: Final answer
    x = 29,347.51

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1.5x scale

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.