Home / 53,182.71-79,787.88-19,905.39

Finding the Fourth Proportional to 53,182.71, 79,787.88 and 19,905.39

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Solution

The fourth proportional to 53,182.71, 79,787.88 and 19,905.39 is: 29,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.71 : 79,787.88 = 19,905.39 : x
  2. Step 2: Convert to fraction form
    53,182.71/79,787.88 = 19,905.39/x
  3. Step 3: Cross multiply
    53,182.71x = 79,787.88 × 19,905.39
  4. Step 4: Simplify right side
    53,182.71x = 1,588,208,868.67
  5. Step 5: Solve for x
    x = 1,588,208,868.67/53,182.71
  6. Step 6: Final answer
    x = 29,863.26

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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.