Home / 29,042.13-40,090.41-19,623.45

Finding the Fourth Proportional to 29,042.13, 40,090.41 and 19,623.45

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Solution

The fourth proportional to 29,042.13, 40,090.41 and 19,623.45 is: 27,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.13 : 40,090.41 = 19,623.45 : x
  2. Step 2: Convert to fraction form
    29,042.13/40,090.41 = 19,623.45/x
  3. Step 3: Cross multiply
    29,042.13x = 40,090.41 × 19,623.45
  4. Step 4: Simplify right side
    29,042.13x = 786,712,156.11
  5. Step 5: Solve for x
    x = 786,712,156.11/29,042.13
  6. Step 6: Final answer
    x = 27,088.65

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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.