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Finding the Fourth Proportional to 53,648.17, 80,454.03 and 18,579.63

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Solution

The fourth proportional to 53,648.17, 80,454.03 and 18,579.63 is: 27,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.17 : 80,454.03 = 18,579.63 : x
  2. Step 2: Convert to fraction form
    53,648.17/80,454.03 = 18,579.63/x
  3. Step 3: Cross multiply
    53,648.17x = 80,454.03 × 18,579.63
  4. Step 4: Simplify right side
    53,648.17x = 1,494,806,109.41
  5. Step 5: Solve for x
    x = 1,494,806,109.41/53,648.17
  6. Step 6: Final answer
    x = 27,863.13

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1.5x scale

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.