Home / 30,528.25-42,130.34-17,099.22

Finding the Fourth Proportional to 30,528.25, 42,130.34 and 17,099.22

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Solution

The fourth proportional to 30,528.25, 42,130.34 and 17,099.22 is: 23,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.25 : 42,130.34 = 17,099.22 : x
  2. Step 2: Convert to fraction form
    30,528.25/42,130.34 = 17,099.22/x
  3. Step 3: Cross multiply
    30,528.25x = 42,130.34 × 17,099.22
  4. Step 4: Simplify right side
    30,528.25x = 720,395,952.33
  5. Step 5: Solve for x
    x = 720,395,952.33/30,528.25
  6. Step 6: Final answer
    x = 23,597.68

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Double scale
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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.