Home / 34,853.79-48,099.39-20,511.02

Finding the Fourth Proportional to 34,853.79, 48,099.39 and 20,511.02

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Solution

The fourth proportional to 34,853.79, 48,099.39 and 20,511.02 is: 28,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.79 : 48,099.39 = 20,511.02 : x
  2. Step 2: Convert to fraction form
    34,853.79/48,099.39 = 20,511.02/x
  3. Step 3: Cross multiply
    34,853.79x = 48,099.39 × 20,511.02
  4. Step 4: Simplify right side
    34,853.79x = 986,567,593.61
  5. Step 5: Solve for x
    x = 986,567,593.61/34,853.79
  6. Step 6: Final answer
    x = 28,305.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.