Home / 30,763.43-42,454.32-17,335.16

Finding the Fourth Proportional to 30,763.43, 42,454.32 and 17,335.16

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Solution

The fourth proportional to 30,763.43, 42,454.32 and 17,335.16 is: 23,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.43 : 42,454.32 = 17,335.16 : x
  2. Step 2: Convert to fraction form
    30,763.43/42,454.32 = 17,335.16/x
  3. Step 3: Cross multiply
    30,763.43x = 42,454.32 × 17,335.16
  4. Step 4: Simplify right side
    30,763.43x = 735,952,429.89
  5. Step 5: Solve for x
    x = 735,952,429.89/30,763.43
  6. Step 6: Final answer
    x = 23,922.96

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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.