Home / 29,475.48-40,664.16-18,141.57

Finding the Fourth Proportional to 29,475.48, 40,664.16 and 18,141.57

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Solution

The fourth proportional to 29,475.48, 40,664.16 and 18,141.57 is: 25,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,475.48 : 40,664.16 = 18,141.57 : x
  2. Step 2: Convert to fraction form
    29,475.48/40,664.16 = 18,141.57/x
  3. Step 3: Cross multiply
    29,475.48x = 40,664.16 × 18,141.57
  4. Step 4: Simplify right side
    29,475.48x = 737,711,705.13
  5. Step 5: Solve for x
    x = 737,711,705.13/29,475.48
  6. Step 6: Final answer
    x = 25,027.98

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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.