Home / 29,090.90-40,164.45-22,364.12

Finding the Fourth Proportional to 29,090.90, 40,164.45 and 22,364.12

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Solution

The fourth proportional to 29,090.90, 40,164.45 and 22,364.12 is: 30,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.90 : 40,164.45 = 22,364.12 : x
  2. Step 2: Convert to fraction form
    29,090.90/40,164.45 = 22,364.12/x
  3. Step 3: Cross multiply
    29,090.90x = 40,164.45 × 22,364.12
  4. Step 4: Simplify right side
    29,090.90x = 898,242,579.53
  5. Step 5: Solve for x
    x = 898,242,579.53/29,090.90
  6. Step 6: Final answer
    x = 30,877.10

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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.