Home / 53,885.25-80,828.02-18,824.90

Finding the Fourth Proportional to 53,885.25, 80,828.02 and 18,824.90

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Solution

The fourth proportional to 53,885.25, 80,828.02 and 18,824.90 is: 28,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.25 : 80,828.02 = 18,824.90 : x
  2. Step 2: Convert to fraction form
    53,885.25/80,828.02 = 18,824.90/x
  3. Step 3: Cross multiply
    53,885.25x = 80,828.02 × 18,824.90
  4. Step 4: Simplify right side
    53,885.25x = 1,521,579,393.70
  5. Step 5: Solve for x
    x = 1,521,579,393.70/53,885.25
  6. Step 6: Final answer
    x = 28,237.40

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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.