Home / 43,490.49-65,260.32-18,527.91

Finding the Fourth Proportional to 43,490.49, 65,260.32 and 18,527.91

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Solution

The fourth proportional to 43,490.49, 65,260.32 and 18,527.91 is: 27,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.49 : 65,260.32 = 18,527.91 : x
  2. Step 2: Convert to fraction form
    43,490.49/65,260.32 = 18,527.91/x
  3. Step 3: Cross multiply
    43,490.49x = 65,260.32 × 18,527.91
  4. Step 4: Simplify right side
    43,490.49x = 1,209,137,335.53
  5. Step 5: Solve for x
    x = 1,209,137,335.53/43,490.49
  6. Step 6: Final answer
    x = 27,802.34

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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.