Home / 53,953.76-74,450.88-30,078.20

Finding the Fourth Proportional to 53,953.76, 74,450.88 and 30,078.20

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Solution

The fourth proportional to 53,953.76, 74,450.88 and 30,078.20 is: 41,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.76 : 74,450.88 = 30,078.20 : x
  2. Step 2: Convert to fraction form
    53,953.76/74,450.88 = 30,078.20/x
  3. Step 3: Cross multiply
    53,953.76x = 74,450.88 × 30,078.20
  4. Step 4: Simplify right side
    53,953.76x = 2,239,348,458.82
  5. Step 5: Solve for x
    x = 2,239,348,458.82/53,953.76
  6. Step 6: Final answer
    x = 41,504.96

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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.