Home / 43,122.66-64,705.32-19,446.63

Finding the Fourth Proportional to 43,122.66, 64,705.32 and 19,446.63

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Solution

The fourth proportional to 43,122.66, 64,705.32 and 19,446.63 is: 29,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,122.66 : 64,705.32 = 19,446.63 : x
  2. Step 2: Convert to fraction form
    43,122.66/64,705.32 = 19,446.63/x
  3. Step 3: Cross multiply
    43,122.66x = 64,705.32 × 19,446.63
  4. Step 4: Simplify right side
    43,122.66x = 1,258,300,417.07
  5. Step 5: Solve for x
    x = 1,258,300,417.07/43,122.66
  6. Step 6: Final answer
    x = 29,179.56

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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.