Home / 51,541.84-77,310.32-18,261.36

Finding the Fourth Proportional to 51,541.84, 77,310.32 and 18,261.36

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Solution

The fourth proportional to 51,541.84, 77,310.32 and 18,261.36 is: 27,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.84 : 77,310.32 = 18,261.36 : x
  2. Step 2: Convert to fraction form
    51,541.84/77,310.32 = 18,261.36/x
  3. Step 3: Cross multiply
    51,541.84x = 77,310.32 × 18,261.36
  4. Step 4: Simplify right side
    51,541.84x = 1,411,791,585.24
  5. Step 5: Solve for x
    x = 1,411,791,585.24/51,541.84
  6. Step 6: Final answer
    x = 27,391.18

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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.