Home / 30,467.84-42,044.28-17,039.12

Finding the Fourth Proportional to 30,467.84, 42,044.28 and 17,039.12

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Solution

The fourth proportional to 30,467.84, 42,044.28 and 17,039.12 is: 23,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.84 : 42,044.28 = 17,039.12 : x
  2. Step 2: Convert to fraction form
    30,467.84/42,044.28 = 17,039.12/x
  3. Step 3: Cross multiply
    30,467.84x = 42,044.28 × 17,039.12
  4. Step 4: Simplify right side
    30,467.84x = 716,397,532.23
  5. Step 5: Solve for x
    x = 716,397,532.23/30,467.84
  6. Step 6: Final answer
    x = 23,513.24

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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.