Home / 30,513.02-42,105.03-17,083.22

Finding the Fourth Proportional to 30,513.02, 42,105.03 and 17,083.22

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Solution

The fourth proportional to 30,513.02, 42,105.03 and 17,083.22 is: 23,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.02 : 42,105.03 = 17,083.22 : x
  2. Step 2: Convert to fraction form
    30,513.02/42,105.03 = 17,083.22/x
  3. Step 3: Cross multiply
    30,513.02x = 42,105.03 × 17,083.22
  4. Step 4: Simplify right side
    30,513.02x = 719,289,490.60
  5. Step 5: Solve for x
    x = 719,289,490.60/30,513.02
  6. Step 6: Final answer
    x = 23,573.20

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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.