Home / 29,012.85-40,040.33-17,070.21

Finding the Fourth Proportional to 29,012.85, 40,040.33 and 17,070.21

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Solution

The fourth proportional to 29,012.85, 40,040.33 and 17,070.21 is: 23,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.85 : 40,040.33 = 17,070.21 : x
  2. Step 2: Convert to fraction form
    29,012.85/40,040.33 = 17,070.21/x
  3. Step 3: Cross multiply
    29,012.85x = 40,040.33 × 17,070.21
  4. Step 4: Simplify right side
    29,012.85x = 683,496,756.22
  5. Step 5: Solve for x
    x = 683,496,756.22/29,012.85
  6. Step 6: Final answer
    x = 23,558.41

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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.