Home / 30,244.32-41,714.46-21,294.36

Finding the Fourth Proportional to 30,244.32, 41,714.46 and 21,294.36

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Solution

The fourth proportional to 30,244.32, 41,714.46 and 21,294.36 is: 29,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.32 : 41,714.46 = 21,294.36 : x
  2. Step 2: Convert to fraction form
    30,244.32/41,714.46 = 21,294.36/x
  3. Step 3: Cross multiply
    30,244.32x = 41,714.46 × 21,294.36
  4. Step 4: Simplify right side
    30,244.32x = 888,282,728.45
  5. Step 5: Solve for x
    x = 888,282,728.45/30,244.32
  6. Step 6: Final answer
    x = 29,370.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.