Home / 51,646.10-77,443.56-18,361.17

Finding the Fourth Proportional to 51,646.10, 77,443.56 and 18,361.17

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Solution

The fourth proportional to 51,646.10, 77,443.56 and 18,361.17 is: 27,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.10 : 77,443.56 = 18,361.17 : x
  2. Step 2: Convert to fraction form
    51,646.10/77,443.56 = 18,361.17/x
  3. Step 3: Cross multiply
    51,646.10x = 77,443.56 × 18,361.17
  4. Step 4: Simplify right side
    51,646.10x = 1,421,954,370.57
  5. Step 5: Solve for x
    x = 1,421,954,370.57/51,646.10
  6. Step 6: Final answer
    x = 27,532.66

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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.