Home / 29,090.86-40,155.56-17,153.44

Finding the Fourth Proportional to 29,090.86, 40,155.56 and 17,153.44

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Solution

The fourth proportional to 29,090.86, 40,155.56 and 17,153.44 is: 23,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.86 : 40,155.56 = 17,153.44 : x
  2. Step 2: Convert to fraction form
    29,090.86/40,155.56 = 17,153.44/x
  3. Step 3: Cross multiply
    29,090.86x = 40,155.56 × 17,153.44
  4. Step 4: Simplify right side
    29,090.86x = 688,805,989.13
  5. Step 5: Solve for x
    x = 688,805,989.13/29,090.86
  6. Step 6: Final answer
    x = 23,677.75

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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.