Home / 53,930.70-80,896.05-48,228.30

Finding the Fourth Proportional to 53,930.70, 80,896.05 and 48,228.30

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Solution

The fourth proportional to 53,930.70, 80,896.05 and 48,228.30 is: 72,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.70 : 80,896.05 = 48,228.30 : x
  2. Step 2: Convert to fraction form
    53,930.70/80,896.05 = 48,228.30/x
  3. Step 3: Cross multiply
    53,930.70x = 80,896.05 × 48,228.30
  4. Step 4: Simplify right side
    53,930.70x = 3,901,478,968.22
  5. Step 5: Solve for x
    x = 3,901,478,968.22/53,930.70
  6. Step 6: Final answer
    x = 72,342.45

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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.