Home / 29,159.10-40,218.21-19,071.36

Finding the Fourth Proportional to 29,159.10, 40,218.21 and 19,071.36

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Solution

The fourth proportional to 29,159.10, 40,218.21 and 19,071.36 is: 26,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.10 : 40,218.21 = 19,071.36 : x
  2. Step 2: Convert to fraction form
    29,159.10/40,218.21 = 19,071.36/x
  3. Step 3: Cross multiply
    29,159.10x = 40,218.21 × 19,071.36
  4. Step 4: Simplify right side
    29,159.10x = 767,015,961.47
  5. Step 5: Solve for x
    x = 767,015,961.47/29,159.10
  6. Step 6: Final answer
    x = 26,304.51

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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.