Home / 29,042.38-40,090.76-19,623.70

Finding the Fourth Proportional to 29,042.38, 40,090.76 and 19,623.70

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Solution

The fourth proportional to 29,042.38, 40,090.76 and 19,623.70 is: 27,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.38 : 40,090.76 = 19,623.70 : x
  2. Step 2: Convert to fraction form
    29,042.38/40,090.76 = 19,623.70/x
  3. Step 3: Cross multiply
    29,042.38x = 40,090.76 × 19,623.70
  4. Step 4: Simplify right side
    29,042.38x = 786,729,047.01
  5. Step 5: Solve for x
    x = 786,729,047.01/29,042.38
  6. Step 6: Final answer
    x = 27,089.00

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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.