Home / 53,930.40-74,424.24-30,056.88

Finding the Fourth Proportional to 53,930.40, 74,424.24 and 30,056.88

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Solution

The fourth proportional to 53,930.40, 74,424.24 and 30,056.88 is: 41,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.40 : 74,424.24 = 30,056.88 : x
  2. Step 2: Convert to fraction form
    53,930.40/74,424.24 = 30,056.88/x
  3. Step 3: Cross multiply
    53,930.40x = 74,424.24 × 30,056.88
  4. Step 4: Simplify right side
    53,930.40x = 2,236,960,450.77
  5. Step 5: Solve for x
    x = 2,236,960,450.77/53,930.40
  6. Step 6: Final answer
    x = 41,478.65

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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.