Home / 72,526.84-108,787.97-19,935.88

Finding the Fourth Proportional to 72,526.84, 108,787.97 and 19,935.88

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Solution

The fourth proportional to 72,526.84, 108,787.97 and 19,935.88 is: 29,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.84 : 108,787.97 = 19,935.88 : x
  2. Step 2: Convert to fraction form
    72,526.84/108,787.97 = 19,935.88/x
  3. Step 3: Cross multiply
    72,526.84x = 108,787.97 × 19,935.88
  4. Step 4: Simplify right side
    72,526.84x = 2,168,783,915.36
  5. Step 5: Solve for x
    x = 2,168,783,915.36/72,526.84
  6. Step 6: Final answer
    x = 29,903.19

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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.