Home / 30,551.04-42,160.48-17,303.04

Finding the Fourth Proportional to 30,551.04, 42,160.48 and 17,303.04

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Solution

The fourth proportional to 30,551.04, 42,160.48 and 17,303.04 is: 23,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551.04 : 42,160.48 = 17,303.04 : x
  2. Step 2: Convert to fraction form
    30,551.04/42,160.48 = 17,303.04/x
  3. Step 3: Cross multiply
    30,551.04x = 42,160.48 × 17,303.04
  4. Step 4: Simplify right side
    30,551.04x = 729,504,471.86
  5. Step 5: Solve for x
    x = 729,504,471.86/30,551.04
  6. Step 6: Final answer
    x = 23,878.22

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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.