Home / 30,480.48-42,062.94-17,052.30

Finding the Fourth Proportional to 30,480.48, 42,062.94 and 17,052.30

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Solution

The fourth proportional to 30,480.48, 42,062.94 and 17,052.30 is: 23,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.48 : 42,062.94 = 17,052.30 : x
  2. Step 2: Convert to fraction form
    30,480.48/42,062.94 = 17,052.30/x
  3. Step 3: Cross multiply
    30,480.48x = 42,062.94 × 17,052.30
  4. Step 4: Simplify right side
    30,480.48x = 717,269,871.76
  5. Step 5: Solve for x
    x = 717,269,871.76/30,480.48
  6. Step 6: Final answer
    x = 23,532.11

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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.