Home / 29,159.66-40,219.60-19,464.23

Finding the Fourth Proportional to 29,159.66, 40,219.60 and 19,464.23

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Solution

The fourth proportional to 29,159.66, 40,219.60 and 19,464.23 is: 26,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.66 : 40,219.60 = 19,464.23 : x
  2. Step 2: Convert to fraction form
    29,159.66/40,219.60 = 19,464.23/x
  3. Step 3: Cross multiply
    29,159.66x = 40,219.60 × 19,464.23
  4. Step 4: Simplify right side
    29,159.66x = 782,843,343.81
  5. Step 5: Solve for x
    x = 782,843,343.81/29,159.66
  6. Step 6: Final answer
    x = 26,846.79

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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.