Home / 29,345.60-43,940.64-17,642.72

Finding the Fourth Proportional to 29,345.60, 43,940.64 and 17,642.72

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Solution

The fourth proportional to 29,345.60, 43,940.64 and 17,642.72 is: 26,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.60 : 43,940.64 = 17,642.72 : x
  2. Step 2: Convert to fraction form
    29,345.60/43,940.64 = 17,642.72/x
  3. Step 3: Cross multiply
    29,345.60x = 43,940.64 × 17,642.72
  4. Step 4: Simplify right side
    29,345.60x = 775,232,408.14
  5. Step 5: Solve for x
    x = 775,232,408.14/29,345.60
  6. Step 6: Final answer
    x = 26,417.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.