Home / 55,272.50-76,276.59-30,122.54

Finding the Fourth Proportional to 55,272.50, 76,276.59 and 30,122.54

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Solution

The fourth proportional to 55,272.50, 76,276.59 and 30,122.54 is: 41,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.50 : 76,276.59 = 30,122.54 : x
  2. Step 2: Convert to fraction form
    55,272.50/76,276.59 = 30,122.54/x
  3. Step 3: Cross multiply
    55,272.50x = 76,276.59 × 30,122.54
  4. Step 4: Simplify right side
    55,272.50x = 2,297,644,633.34
  5. Step 5: Solve for x
    x = 2,297,644,633.34/55,272.50
  6. Step 6: Final answer
    x = 41,569.40

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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.